First, they belong to different disciplines. The major of computer science and technology belongs to engineering, information management and information system belongs to management, information and computer science belongs to Neo-Confucianism, which is a branch of mathematics.

Second, the subjects of learning are different. Computer science and technology mainly studies the development, computer management and maintenance of computer technology hardware, software and network technology; The main subjects of information management and information system are management, economics, computer science and technology; The main disciplines of information and computing science are mathematics, computer science and technology.

Third, the purpose of learning computer knowledge is different. Although all three majors study computer-related knowledge, except computer science and technology, information management and information system majors learn computer knowledge by using computer information to serve management; Information and computing science is the use of computers for large-scale operations.

4. Graduates majoring in information and computing science in the field of employment are engaged in some practical applications, development research or management work in computer information processing, economy, finance and other departments after graduation; The major of information management and information system mainly involves national management departments at all levels, industrial and commercial enterprises, financial institutions and departments, and really focuses on the research and application of computer technology, the development of hardware, software and network technology, and the management and maintenance of computers.