The window period of AIDS is the time between the invasion of HIV into the body and the detection of HIV antibodies through blood, usually 14-21 days. Many AIDS patients will not show obvious symptoms during the window period, but some of them may show symptoms of respiratory system, digestive system and nervous system, similar to upper respiratory tract infection: 1. respiratory system: nasal congestion, sore throat, cough, etc.; 2. digestive system: nausea, vomiting, diarrhea, loss of appetite, etc.; 3. nervous system: depression, headache, dizziness, etc.; 4. other: night sweats, fever, weakness 4, other: night sweats, fever, weakness, rash, swollen lymph nodes, etc. When patients experience strong physical discomfort during the acute window period of AIDS, it is recommended to go to the hospital in time to relieve the discomfort through the following ways: 1. Immunity, slow down the discomfort brought by HIV infection.