The study focuses on the application of western voice production theory to Chinese opera singing, and hopes to combine the western and eastern singing arts comprehensively together. The western voice production theory uses systematic and scientific method to study human voice. Chinese opera is one of the traditional performing arts, which uses unique singing method that produces a variety of its voices. Based on the tradition of Chinese opera arts, this paper combines western and eastern method and experience of singing arts to build the theory of voice production in Chinese opera scientifically and systematically. Because of the limit of the length on this paper, the study shall only focus on the principle of voice production, training of voice production, and application of head voice and chest voice.