With the outbreak of the novel coronavirus in 2020,the demand and production of medical masks have shown a spurt of growth worldwide.In order to ensure the quality and safety of masks,countries around the world generally formulate testing standards for medical masks.This paper mainly compares and analyzes the detection standards of medical masks at home and abroad,and puts forward suggestions for the quality assurance and standard formulation of medical masks in China,which is of great significance to the field of public health.