Fixed sex partners can indeed reduce the transmission of AIDS, but if only one party fixed sex partners, the other party if not fixed, also can not avoid the transmission of AIDS, so really avoid the transmission of AIDS, in fact, the most important thing is to strictly avoid high-risk sexual behavior. First, fixed sexual partners, both parties fixed sexual partners, and must take condoms to protect themselves. Second, to prevent the transmission of AIDS, patients also need to do must not go to informal medical institutions, to do some invasive operations, such as tattoos, beauty, tooth extraction, abortion surgery, must go to the regular hospital to carry out. Third, drug use must be strictly eliminated, because many people infected with AIDS are infected because of mixed intravenous drug use.