Objective To study the symptom quantitative diagnosis of four excess syndromes of AIDS.Methods The clinical data of 1322 AIDS patients were collected with questionnaire and the commonly seen excess syndromes were analyzed with logistic regression analysis for a symptom quantitative diagnosis.The quantification of symptoms is done according to the OR value to find out the weight of each symptom in diagnosis.Results The meaningful symptoms were found in all the four excess syndromes（P<0.05）.The syndrome of damp heat retention owns the symptoms of yellow tongue coating

sticky tongue coating

deep pulse

lumbar pain

epigastric fullness

aversion to cold

rolling pulse

and nausea.The syndrome of damp heat retention with toxin owns the symptoms of tongue ulcer

sore throat

diarrhea

hair-falling

emaciation

rapid pulse

rolling pulse

bitter taste in mouth

sticky tongue coating

and red tongue.The symptoms of the syndrome of phlegm heat in the lung are cough with yellow sputum

cough with white sputum

low fever

sticky sputum

fullness in chest

and red tongue.The symptoms of the syndrome of wind heat retaining in skin are itching

rough skin

papule

and thirst but without desire to drink.Conclusion The feature of excess syndromes of AIDS is excess complicated with deficiency.The symptom quantitative diagnosis of the four excess syndromes provides the objective evidence for clinical practice.