Ants are often found in washbasins. What happened?

There are many reasons why ants appear at home. Most of them were originally brought into the house from the outside for shopping or decoration, especially the decorative wood in the south, where there are many ants. As long as one family brings ants in, if they are not eliminated in time, ants will slowly spread everywhere, so many people have ants at home. Ants are very dirty. Sputum, bloody things, human secretions and all kinds of garbage are its favorite. It will carry a variety of viruses in the process of crawling, and then climb to the food and clothes at home to spread viruses and germs. Ants at home should be eliminated in time, as soon as possible. It is impossible to exterminate ants by using common pesticides and other methods, because they can't exterminate the queen who specializes in breeding ants in the nest.