Multimedia platform and network provide rich resources and interactive teaching mode for dance music teaching. In this paper, the author analyse the optimization of the combination of music education and preschool dance teaching based on multimedia. The application of modern technology makes the teaching methods of dance and music education shows an open feature. There are many ways of dancing teaching, which can be combined with the regional characteristics of the kindergarten. At the same time, the children can realize the diversity of knowledge and culture. Overall, the integration of music concept into preschool dance education is an effective measure to stimulate the interest of children's dance, improve their learning level and improve the quality of teaching.