Objective To summarize the non-symptom information and its clinical significances in authoritative writings of traditional Chinese medicine（ TCM）. Methods 24 TCM authoritative writings were selected from Read Show Chinese Academic Search（ 读秀中文学术搜索

www. duxiu. com）

a full-text search engine for academic books.A database was established with the field names of inquiring information

clinical significance and references. 1260 original records were acquired. The terminologies were normalized

and the non-symptoms information was extracted and classified

and the clinical significances were analyzed according to the recognition principle of non-symptoms information. Results 75 pieces of non-symptom information were acquired

including six categories of patient relevant information（ gender

age

region

marriage and childbirth

physical condition

and profession） and eight categories of disease related information（ diet

work and leisure

emotions

daily life

medical history

onset seasons

disease course and conditions

and aggravated factors）. The clinical significances of non-symptom information is that could be helpful in diagnosis

identifying syndromes and guiding medications. Conclusion By TCM inquiry rich non-symptom information can be obtained. When combined with information on symptoms and physical signs

it could be helpful in diagnosis and treatment.