1.First of all, you should go to local disease control centers, regular public hospitals and dermatology and STD clinics for consultation. These institutions provide HIV antibody testing as well as HIV-related counseling, including telephone or outpatient counseling. 2, Do not avoid avoiding the disease, or seeking medical help in a hurry, to some irregular hospitals or clinics to be cheated. 3.The website of the Center for STD and AIDS Prevention and Control of the Chinese Center for Disease Control and Prevention has a directory of voluntary HIV counseling and testing institutions around the world. There are corresponding contact numbers. 4.Also, there are many questions about the probability and risk of infection, but so far there is no relevant evidence-based medical data. For individuals, there are only two possibilities: infection and non-infection. Some of the so-called probability and calculation formulas are baseless and meaningless.