Patients with AIDS can experience acute stage, asymptomatic stage and AIDS stage, and different clinical manifestations can appear in different stages. 1. Acute stage: usually manifested as fever, malaise, sore throat, general malaise and other symptoms of upper respiratory tract infection; some patients have headache, rash, meningoencephalitis or acute polyneuritis; swollen lymph nodes in the neck, armpit and occipital area, similar to infectious mononucleosis or hepatosplenomegaly. 2. Asymptomatic stage: often no obvious manifestations, some patients may have persistent lymph node enlargement and maintain a long period of time. 3. AIDS stage: persistent irregular low-grade fever for more than 1 month; persistent unexplained generalized lymph node enlargement; chronic diarrhea; combined with oral Candida infection, Pneumocystis carinii pneumonia, cytomegalovirus infection, toxoplasmosis, cryptococcal meningitis, rapidly progressing active tuberculosis, lymphoma, and so on. Therefore, the symptoms of AIDS patients are more manifestations, each phase is different, the patient should consult the doctor in time, early treatment, so as not to delay the condition.