Early manifestations of AIDS, i. Persistent widespread lymph node enlargement, especially in the cervical, axillary, and inguinal lymph nodes, which are about 1 cm in diameter, firm and painless, and mobile for more than three months. ii. Sweating without apparent cause and fever and night sweats for 20 weeks. iii. III. Unexplained severe fatigue since 4 weeks. IV. Loss of appetite and weight loss of more than 10% of original body weight in two months. V. Chronic diarrhea of unexplained origin, watery in nature, more than 10 times a day since 4 weeks. VI. Dry cough at first for 4 weeks. VII. Flat and elevated pink spots and large purplish spots on the skin and mouth, without pain or itching. VIII. White spots appear in the throat, redness and itching in the penis of men, anal itching, vaginal itching, leucorrhea, headache and blurred vision of women. When there are more than three symptoms above, and there is a history of unclean sexual contact, you should go to hospital for treatment in time.