Lymph nodes may be enlarged in AIDS patients. From HIV infection to the development of AIDS can be divided into three stages: acute infection, asymptomatic infection, and AIDS. 1. Acute Infection Stage: Symptoms usually appear 1~2 weeks after HIV infection, including fever, fatigue, sore throat, general malaise, etc., enlarged lymph nodes in superficial lymph nodes, enlarged liver and spleen, etc. The symptoms usually subside within a month on their own. Symptoms usually subside within a month. 2. Asymptomatic infection stage: it can be developed from acute infection or enter this stage directly after infection. There may not be any clinical symptoms, and some patients may have enlarged lymph nodes. 3. AIDS stage: patients will have persistent fever, diarrhea, weight loss, enlarged lymph nodes all over the body, and at the same time combined with various infections or tumors. Suspected AIDS infection should go to the hospital as early as possible for examination, early diagnosis, and timely intervention measures, so that the patient can obtain a normal life expectancy.