With the development of China's economy and the improvement of science and technology level, the development of computer technology has been promoted, and computer technology can be seen everywhere in all walks of life, which provides many convenient conditions for our life and production. As a result, colleges and universities have increased the professional courses related to computer technology, and hope to train students to adapt to the social development of professional talents. But in this process, many colleges and universities have gradually lost the characteristics of professional teaching, resulting in many deficiencies in the construction of computer science. Therefore, this paper discusses on the practice of computer science and technology specialty construction, hoping to provide reference for relevant practitioners.