In the face of novel coronavirus pneumonia, a batch of medical staff members walked on the front line of epidemic prevention, and they guarded their lives with life. They built a safety line for us. Disposable protective clothing is the key barrier for them to fight against the new crown pneumonia and protect their own life safety. Similar to the mask material mentioned before, there are many medical isolation clothing, protective clothing is made of polypropylene non-woven fabric. In the wechat circle of friends, due to the lack of medical equipment, some doctors even use polypropylene raincoats. Do these yellow, white, blue and dark blue protective clothing, isolation clothing and surgical clothing have corresponding standards? Are the material requirements the same? What tests need to be done? The production of disposable protective clothing mainly uses sewing machine, selvage machine and glue pressing machine to process the nonwovens that meet the protection requirements through cutting, stitching, tightening, adhesive pressing, etc "Three repellent and one anti" (water, blood, alcohol, antistatic) functional finishing is made into disposable protective clothing containing hooded jacket and trousers. The protective clothing shall be dry, clean and free of mildew, and the surface shall be free of adhesion, cracks, holes and other defects. Medical protective clothing includes all kinds of clothing specially worn in medical environment, so there are many classification methods [5]. 1. According to the use, it can be divided into daily work clothes, surgical clothes, isolation clothes and protective clothing according to the use and occasion. Daily work clothes refer to the white coats worn by medical staff in their daily work, also known as white coats. Surgical clothing refers to the specially designed clothing worn in the operating room. Isolation clothing refers to the clothing worn by medical staff in contact with patients and family members visiting patients. Protective clothing refers to the clothing worn by personnel in special areas such as medical first aid, infectious disease area and electromagnetic radiation area. 2. According to the service life, the medical protective clothing can be divided into disposable protective clothing and reusable protective clothing.