Testing methods differ in the time it takes for AIDS to be detected. AIDS is a systemic disease caused by the infection of the organism with the Human Immunodeficiency Virus (HIV), causing various opportunistic infections and tumors. There is a window period after HIV infection, generally the window period of AIDS antibody is about 4-12 weeks, the window period of AIDS antibody combined with antigen is about 3 weeks, and the window period of AIDS nucleic acid is about 1-4 weeks. AIDS people should pay attention to personal hygiene, follow the doctor’s instructions to take drugs, hygiene, maintain a good state of mind, pay attention to a light diet, pay attention to rest, avoid overwork, work and rest. If you suspect that you are infected with HIV, you should go to the hospital in time for examination and intervention as early as possible, and you can detect HIV nucleic acid, HIV antibody and HIV antigen in time, pay attention to regular diet and work and rest, avoid unsafe sex, and do not be overly tense and anxious, and put your mind at ease.