Nowadays, when we are in the public place, we can see the rubbish everywhere, people throw away the rubbish, what’s more, some people still jump the lines, all these behaviors are against the public morals. The public morals are advocated all the time, since we are small, we are educated to behave well in the public, but we still can see some people’s bad behavior in the public. The lack of public morals reflects a person’s bad personality, they will be condemned by others. No matter where we are, we need to behavior ourselves, we should not litter, jump the line or disturb others in the silent place. We need to self-controlled.