Today, with the rapid and rapid development of science and technology, science and technology are continuously used in all walks of life, especially in the teaching process, becoming an important means of modern teaching. This kind of reform and development has a better development of teaching quality and level. Great improvement. Multimedia teaching has the advantages of large amount of information, rapid feedback, rich content and high interaction efficiency. Multimedia teaching can also improve students' interest in learning, motivate students' craving for knowledge, help students improve their learning efficiency, and thus reach the ability to cultivate students' independent learning. . As a modern physical education teacher, we should keep pace with the times, master modern science and technology such as multimedia, and combine with traditional physical education in the past to better serve students' physical education. College sports development training is a special stage of student training. College sports development training can not only enhance students' physical quality, improve students' performance of sports development training, improve the overall level of sports development training, and is of great significance for providing backup talents for China. . This paper focuses on the advantages and problems of multimedia technology in assisting college basketball development training, adheres to the spirit of student-oriented, fully considers the physical and mental characteristics of middle school students, explores effective strategies for strengthening the application of multimedia technology in sports development training, and uses multimedia for colleges and universities in China. Provide reference for auxiliary sports development training.