The aim of this study is in order to provide the proper music therapy to impaired children. Knowing about the management system of music therapy and the perception and demands of teachers who educated impaired children so that it tries to find an improvement of music therapy for impaired children. The results and the conclusions based on discussion show that: First, Although the actual condition of music therapy for impaired children has high interest, actually there are less opportunities of the service training of music therapy and education on the scene and rarely carry out the music therapy as well. Second, Teachers perceive that the main music therapy activities for impaired children are playing the musical instruments or listening to music and they say affirmingly that it needs music therapy for impaired children. And it has not only effect on their action adjustment and improvement but also it has effect on elevation in several area including their language, society, intelligence, learning, exercise. In addition, it helps their stability of emotion, rises their self-respect, express their own feelings, check others\' feeling that can effect on their communication so that music therapy program should act in special educated schools. And its aim include both the education and therapy. It shows that special education homeroom teachers\' perception about music therapy is higher than the teachers who are working in special educated schools. Third, there are some problems about music therapy for impaired children. It does not have various programs for them, lacking of musical instruments and facilities and treating a lot of impaired children simultaneously. In order to improve these things, expanding the musical treatment facilities, economic supporting from the government, teachers\' perceptional improvement of music therapy, parents of students as well. Besides, to carry out effective music therapy, individual therapy needs to keep pace with group therapy, regarding its limit the number of persons.