Project management informatization conforms to the development of the times and lays the foundation for the progress and development of enterprises. Making full use of informatization in all aspects of project management has brought many benefits to project management. However, the realization of project management informatization is not achieved overnight, and it needs the support and understanding of the government and society, thus promoting the application of project management informatization. I. Application Status of Project Management Information 1. Insufficient design of project management information system. At present, the database in the project management information system is incomplete and inconsistent, and even unreasonable data information may appear. In the process of carrying out related projects in enterprises, all departments of engineering management will look for relevant information and data, but because the databases in the information system are not unified, the results of the inquired data are different. Therefore, technicians need to improve and innovate the project management information system in time, establish a brand-new database, ensure the unified use of project managers, and then promote the penetration of information technology into different fields. Therefore, it is necessary to make up for the deficiencies in the design of engineering management information system. 2. The understanding of project management informatization is not comprehensive. Because informatization has not completely penetrated into all fields and is just in its infancy, managers of some enterprises have not fully and accurately understood informatization, which hinders the application of informatization in enterprises. Moreover, the introduction of information technology will increase the cost of project management at present, so some enterprise managers have some concerns about the introduction of information technology, and then in order to better introduce information technology, it is necessary to improve the cognitive level of enterprise managers and let them know the necessary significance of introducing information technology. Due to the different economic levels in different regions, enterprise managers have great differences in their understanding of project management informatization. 3. The lack of project management informatization talents is the foundation of project management informatization. To further develop project management informatization, a large number of high-tech talents must be introduced. At present, there is a serious shortage of domestic engineering management information talents. These talents are not mature enough in the theoretical knowledge and operation related to project management informatization, and can not promote the process of project management informatization industry, so it will hinder the application of project management informatization to a certain extent. Second, research on the application mode of project management informatization 1. Perfecting infrastructure is the most fundamental in the process of project management informatization construction, so if you want to lay a good foundation for project management informatization, you must improve the corresponding infrastructure. The infrastructure of project management informatization is not perfect enough, which will have a certain impact on other work. In the information construction of project management, the infrastructure is mainly network integration and equipment sharing. The close relationship between the two can better play the role and characteristics of infrastructure. Perfecting infrastructure is also the perfection and innovation of network integration and equipment sharing, so as to better apply the information mode of project management. 2. Improve the resource layer At present, the database construction of project management informatization is not perfect enough and does not meet the corresponding national standards. Therefore, to update and improve the database, we should not only improve the database, but also establish a unified data standard. Managers do not pay attention to the resource layer, and their cognitive level is too low, which leads to many disadvantages in the resource layer and cannot be solved in time. Therefore, managers should improve their cognitive level and constantly improve the resource layer. Introducing a large number of technicians to solve the problems in the resource layer in time, so as to prevent more disadvantages, and then promote the establishment of a more comprehensive and accurate database, which also has a great impact on the long-term development of enterprises. 3. Understand the importance of the service layer. Informatization of project management can bring greater economic benefits to enterprises and better serve the people. People and project management informatization complement each other, and the service layer is the bridge between project management and people. Therefore, the service layer is indispensable in the information mode of project management. There are many service projects in the service layer to provide better services for the people and the information test of project management, and the division of labor in the service layer can meet the needs of the people. 4. Improve the efficiency of the application layer. The application layer is also very important in the four levels of project management informatization, and it is necessary to innovate and improve the application system in time. The application layer can eliminate security risks, so in order to play its role better, it is necessary to improve the working efficiency of the application layer, which is conducive to the relevant departments of project management to enjoy the data. In addition, it is suggested that domestic construction enterprises can also formulate corresponding engineering information management models based on the "four-tier architecture application model" and make corresponding adjustments according to internal conditions. 3. Effective application measures to improve project management informatization 1. In the application process of project management informatization, the state and government must increase capital investment and establish a more reasonable project management system. For the construction of project management system, it needs a lot of capital investment and technical support, and also needs a lot of technical talents to maintain and innovate these project management systems. Therefore, it is necessary to train employees regularly, improve their theoretical knowledge and operational skills, promote their comprehensive ability, and enable them to use their knowledge to better manage the project. In the process of using funds, it is necessary to allocate funds reasonably, better use funds in project management informatization, and carry out strict management and supervision to prevent corruption and create a clean atmosphere. 2. Optimizing risk management project management informatization conforms to the development of the times, but there are also some disadvantages in project management informatization. In the process of continuous application of project management informatization, information and data are easy to be leaked, so it is necessary to carry out safety maintenance and management for these situations. Enterprises can cooperate with related software development enterprises to create more suitable software for project management informatization, thus ensuring the safety of project management informatization. Therefore, it is necessary to increase the investment of security funds and talents, update and innovate the software regularly, so as to make it play a better role, so as to ensure the advancement, safety and stability of project management informatization. Four. Conclusion To sum up, under the background of big data era, the informatization of project management is not static, and it should be adjusted and innovated with the development of the times to better provide data and technical support for the construction industry. Western countries are more advanced than China in the application mode of project management informatization, and China can learn from advanced western countries to promote the better development of project management informatization application mode and improve the efficiency and quality of project management. Relevant managers should also shoulder their own responsibilities to ensure the effect of project management informatization.
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