Objective To investigate TCM syndromes of human immunodeficiency virus（HIV）infected persons and acquired immune deficiency syndrome（AIDS）patients in Shanghai in order to provide reference for the diagnosis of AIDS and its treatment with integrated Chinese and western medicine.Methods Totally 398 HIV infected persons and AIDS patients were collected.After filling in the questionnaire on symptoms and signs

the TCM syndrome differentiation was carried out for diagnosis.All subjects were differentiated into six syndromes

including qi deficiency

qi deficiency complicated with yin deficiency

qi deficiency complicated with damp heat

qi deficiency complicated with phlegm turbidity and blood stasis

qi deficiency complicated with blood stasis

and uncertian case.Results There were 110 HIV infected persons and 288 AIDS patients

and they had statistical difference in averaged age（P<0.05）.The percentage of qi deficiency complicated with damp heat and uncertian case of HIV infected persons was significantly higher than that of AIDS patients（P<0.05）

but the percentage of qi deficiency complicated with yin deficiency and qi deficiency complicated with blood stasis of AIDS patients was statistically higher than that of HIV infected persons（P<0.05）.Conclusion HIV infected persons are mostly of qi deficiency complicated with damp heat

whilst the AIDS patients are commonly of qi deficiency complicated with yin deficiency and qi deficiency complicated with blood stasis.