The prevention and control of AIDS is now mainly from three aspects. First, the management of infectious agents, the management of infectious agents is the AIDS patients, need to be reported to the local CDC in a timely manner, for such patients need timely treatment, and regular follow-up. Second, cut off the transmission pathway, for AIDS patients need to strengthen the prevention and treatment of knowledge propaganda, high-risk groups to use condoms, and standardized treatment of related sexually transmitted diseases, for medical personnel to strengthen the occupational exposure protection knowledge propaganda. Improve the management of blood source, do a good job of blood donation and blood donors HIV screening; combat drug trafficking and drug abuse; pregnant women infected with HIV, the need for timely oral medication for mother-to-child interruption. Third, the protection of susceptible people, for those who already have high-risk behavior can take oral anti-HIV drugs to block infection. There is no good vaccine to prevent AIDS, but a vaccine is under development.