How to get a health certificate?

It is a very important link to apply for health certificate and collect stool. Before defecation, you should go to the relevant physical examination post to get the stool container box, and take the stool with bamboo sticks or sawdust, the size of which is broad beans. Put the feces into the box where the specimens are kept, write your own name, and then send them for inspection immediately. The inspection time generally does not exceed two hours. If there is pus and blood in the feces, try to pick out the feces with mucus or pus and put them in the container box.