The sound insulation door is mainly used for sound insulation and is suitable for places with high noise requirements, such as studio, studio, control room, broadcasting, film, television, sound products, etc. All these fields are because the noise may affect the work effect, and some avoid the noise from affecting the surrounding environment. Noise is a kind of pollution source. The acceleration of urbanization inevitably intensifies the degree of noise pollution, which not only affects people's study, life and work