Surgical medical masks are independently packaged with the benefits of cleanliness and hygiene, easy to carry, easy to use, conducive to the usual preservation, not easy to be contaminated. Medical surgical masks, generally used in high-demand scenarios, such as medical outpatient clinics, laboratories, operating rooms, etc., is the masks worn by health care workers at work. For a variety of bacteria, virus resistance is strong, the safety factor is relatively high, while medical surgical masks can also be used to prevent influenza. Medical surgical masks have strict requirements and standards, important technical indicators including filtration efficiency, bacterial filtration efficiency and respiratory resistance, etc., usually we should be used in strict accordance with the requirements, do not reuse, and do a good job of personal protection.