There are differences between surgical masks and activated charcoal masks in terms of material, use and effect on virus protection. The activated charcoal mask is made of activated charcoal fiber filter inside, which has a good adsorption effect and can adsorb harmful gases, organic pollutants, pigments, etc. It is the most widely used type of mask in daily use, which can prevent toxicity, deodorize, filter bacteria, dustproof, etc. The efficacy is better than the general cotton masks. Medical surgical masks belong to the management of medical equipment, it is made of medical materials that meet the standards have three layers, the outer layer is the water barrier layer can block the splashing liquid, the middle layer is the filter layer, the inner layer is the absorbent layer, generally used in medical clinics, laboratories, operating rooms and other demanding environments, it is a mask for medical staff to wear in the workplace, medical surgical masks can prevent bacteria, viruses.