Information technology service refers to the service that helps users achieve their own goals by improving the efficiency of information technology systems. It mainly includes the following eight categories: information technology consulting, information technology operation and maintenance, design and development services, testing services, data processing services, integrated implementation services, training services and information system value-added services.
Cloud computing service belongs to the information technology consulting category in information technology service. Information technology consulting refers to consulting services that assist demanders to evaluate various IT technologies, including consulting services such as IT strategic planning and implementation scheme, IT system design, IT management and IT engineering supervision.