Put it in this gray trash can in the picture.
If there is a special dustbin for discarded masks, they need to be sent to the special dustbin.
Generally, there will be a specific logo and text.
When isolating places and medical institutions, put masks into medical waste garbage bags and handle them by professional institutions.
This kind of general hospital will provide.
If there are a series of symptoms such as fever, cough, sore throat, expectoration and sneezing. Or if you have contact with such people, there is a special box for discarded masks nearby. If you can't throw it into other trash cans first, then use 5% 84 disinfectant according to the ratio of 1:99, sprinkle it on the mask for treatment, or use alcohol for treatment. If there is no disinfectant, you can seal it with a sealed bag or a fresh-keeping bag and throw it into other trash cans.