Men with AIDS do not have the most obvious characteristics. In the acute stage, patients may have symptoms such as fever and fatigue; in the asymptomatic stage, patients usually have no obvious discomfort; and in the AIDS stage, they may have symptoms such as weight loss and enlarged lymph nodes all over the body. Each patient’s clinical stage is different, and the symptoms are not the same, so there is no most obvious characteristic. 1. Acute stage: 2~4 weeks after the first infection of HIV belongs to the acute stage of the disease of AIDS patients, patients may have symptoms such as generalized fatigue and weakness, loss of appetite, fever, etc. Usually at this time, the degree of the disease is mild, usually with no obvious symptoms. Usually, the disease is mild at this time, and the symptoms can be relieved by themselves in about 1~3 weeks. 2. Asymptomatic phase: After the acute phase, patients will gradually enter the asymptomatic phase, at this time, most patients usually have no obvious discomfort symptoms, and there is no obvious difference with normal people. The asymptomatic period usually lasts for a long time, 6-8 years on average. 3. AIDS period: AIDS period belongs to the final stage after HIV infection, at this time the patient’s body immunity significantly reduced, common irregular fever, loss of appetite, nausea and vomiting, weight loss, a variety of opportunistic infections and tumors and so on. If you are worried about HIV infection after high-risk behavior, it is recommended that you consult a doctor for a clear diagnosis in time to avoid delaying your condition.