Medical ordinary masks and medical surgical masks are almost the same in form, the only difference between these two is the middle sandwich is different, as follows: 1, medical surgical masks: can filter out most of the virus bacteria, the quality of medical surgical masks as well as clinical applications, will be more extensive, can be applied to surgery, for the protection of surgical medical personnel, if there is no N95 mask, you can use Medical surgical masks to replace the disinfection and isolation work; 2, medical ordinary masks: relatively speaking, the range of bacteria and viruses that can be filtered is very narrow. If you can’t make a clear judgment on which kind of mask to use, you can consult the relevant epidemic prevention personnel.