Self-abuse, as the name implies, is to torture yourself, such as deliberately looking at works that you find unacceptable. Many extreme sports enthusiasts also call their favorite sports self-abuse. Self-discipline means observing statutes and self-discipline. The starting point is different, but the result is different! The former is intentional injury to oneself; The latter is because they have to hurt themselves in order to achieve a certain effect, but the result is to hurt themselves!