Multimedia in college student union refers to the department or team responsible for multimedia technology and equipment management in college student union organization. They are committed to providing multimedia support and services to meet the needs of various activities and projects of the Student Union. This includes the rental, installation and operation of audio, video, lighting, projection and other multimedia equipment, as well as providing technical support and solutions for meetings, speeches, performances, exhibitions and other activities. Multimedia teams are usually composed of students with certain knowledge and experience in multimedia technology, and work closely with other departments of the Student Union to ensure the smooth holding of various activities and projects.