As an indoor working environment and residential environment, cleanliness is the most important in a clean room where the purpose is to obtain and maintain cleanliness for the purpose of preventing pollution. In recent years, due to the advanced development of industrial technology, high cleanliness has been introduced in all industries. is required. AR presents CLEAN ROOM, which was created to keep dust and particulates in the indoor air to a minimum and to control indoor pressure, humidity, temperature, distribution and speed of air currents, etc. within a certain range.