The mist shower room is a device for personnel purification. It sprays fine water mist to clean the whole body of people entering a specific area, removing dust and particles on people and reducing pollutants brought into the clean area, thus ensuring the environmental cleanliness of a specific area. The mist shower room is usually installed at the entrance of places with high environmental requirements, such as dust-free workshops and laboratories. It is simple and convenient to operate and can effectively improve the quality of the working environment.