The characteristics of AIDS fever are mainly low fever, axillary body temperature is mainly between 37.4-38℃, but the characteristics of fever in different periods are different and cannot be generalized. 1.Acute stage: The acute stage of AIDS fever, usually appears 2-4 weeks after HIV infection, usually with mild to moderate fever, very few will exceed 39℃, the duration will not exceed 1 week, most of the fever can subside on its own. Most of the fever can subside on its own, during which it may be accompanied by swollen lymph nodes and generalized rash, etc.; 2. Asymptomatic stage: the asymptomatic HIV infection stage, with a long incubation period that can last for 10 years or more, during which fever symptoms usually do not appear; 3. The characteristics of the fever vary with the cause of the infection. It may be combined with tuberculosis infection, mainly manifested as low fever and night sweats with cough and sputum, etc.; it may also be combined with Pneumocystis carinii infection, mainly manifested as fever, chest tightness, progressive dyspnea, etc.; it may also be combined with other infections, which may manifest as obvious high fever, chills, diarrhea, etc. If there are symptoms of low fever, patients can first cool down by physical therapy such as applying ice towels and fever-reducing patches, etc. If the low fever persists or recurs, the cause needs to be promptly identified at the hospital and treated symptomatically under the guidance of a doctor.