A very itchy anus is usually not a symptom of AIDS, and can usually be a result of anal fissure, hemorrhoids, anal fistula, eczema, and other common conditions. If you are worried about AIDS, you can go to a regular hospital for HIV lab tests to further clarify whether it is a case of AIDS. Itchy anus is considered to be pruritus ani, it is a common local itching, you can use dehumidification and anti-itching ointment to apply, pay attention to keep the anus hygienic and dry in life. Avoid using hot water scalding, soap repeatedly wash the anus. Eat more vegetables, fruits, do not eat or eat less stimulating food, such as chili, strong tea, coffee and so on. HIV-infected patients can be maintained for several years without specific symptoms, once found symptoms are likely to have been accompanied by serious infections and tumors in the stage, so for the HIV infection of high-risk groups should be considered to carry out the relevant examination. Patients usually need to pay attention to a light diet, avoid spicy and stimulating food, quit smoking and drinking, pay attention to personal skin hygiene, change underwear, underwear, try to wear cotton underwear.