Data mining technique is one of most important tool to acquiring knowledge and rules in massive data.coronary heart disease(CHD) is one of the major diseases which pose a threat to human health.It can systematically and Objectively evaluate the diagnosis and treatment regularity of coronary heart disease from data mining on syndrome and treatment of coronary heart disease.This article summed the research and application of data mining technology in medical case record、literature and clinic of Chinese medicine of CHD, and proposed the resea...