Protective clothing is a very important personal protective equipment for health care workers (HCWs) in fighting against epidemic of infectious diseases, especially in confronting emerging infectious diseases with unknown transmission routes and infectious diseases with a high risk of transmission. Protective clothing can prevent secretion, splash and particle that may carry various pathogens from contacting the human body and protect health of HCWs, it is important protective product against epidemic of novel coronavirus pneumonia. Due to the wide spread of epidemic and large number of infected people, there is a huge demand for protective clothing, medical protective clothing that meets the national standards is in short supply, and some protective clothing that meets the foreign standards are gradually being used. The author consulted and compared the application scope and evaluation indexes of protective clothing in various countries, in order to provide help for HCWs to select protective clothing that meets the requirements.