Drugs taken by AIDS patients to increase immunity include thymus peptide injection, interferon and interleukin, pidomod and zidovudine. The body resistance of AIDS patients tends to decrease. When drug resistance increases to a certain extent, they are prone to various opportunistic infections and even die from serious opportunistic infections. Therefore, it is very important to improve immunity appropriately, and AIDS patients will take drugs to increase immunity. Patients use medicines to improve body resistance, such as thymopeptide injection and thymopeptide, which can be chosen according to individual physical condition. With the development of medicine, there are now drugs for AIDS patients to repair the immune system, such as interferon and interleukin, pidomod, zidovudine and other drugs to improve the immunity of AIDS patients. It is recommended that patients take medication correctly under the guidance of a doctor and should not take medication without authorization. Nutritional support should also be strengthened in general by eating more high protein and vitamin-containing foods and exercising regularly to improve one’s immunity.