Data mining technology can be used to explore the clinical experience of national TCM masters in the diagnosis and treatment of angina pectoris of coronary heart disease, and discover the hidden knowledge, which is of great significance for improving the diagnosis and treatment of angina pectoris of coronary heart disease.This article reviewed from the current situation of the application of data mining technology, the application in inheriting the diagnosis and treatment experience of national TCM masters, existing problems, measures and prospects, and put forward that professionals should st...