The Meiri purification air shower is used in various dust-free workshops, non-dust-free workshops, and stepped cleanliness workshops such as microelectronics, optoelectronics, semiconductors, medicine, food, chemicals, aviation, automobiles, printing, laboratories, etc. When the clean room enters the high clean room, dust particles larger than 0.3 microns are removed from all parts of the person, so as to avoid pollution after entering the clean room. At the same time, it also plays the role of