1, with different purposes: the purpose of informatization planning is to formulate the strategy, planning, objectives, tasks and implementation plans of enterprise informatization, so that enterprises can obtain the best benefits in informatization construction and enhance their core competitiveness and market competitiveness. The purpose of information technology operation and maintenance is to ensure the efficient and stable operation of enterprise information systems and meet the business needs of enterprises.
2. Different stages: information planning is the first step and the early stage of enterprise information construction. Its main work includes determining informatization strategy and objectives, formulating informatization planning scheme, determining informatization projects and investment plans, and establishing informatization organization system and management mechanism. Information technology operation and maintenance is the later stage of enterprise informatization construction and the operation stage of informatization construction. Its main tasks include maintaining the hardware and software equipment of the information system, ensuring the safe and stable operation of the information system, upgrading and optimizing the information system and providing technical support and training.