Myocardial ischemia can be attributed to chest paralysis in TCM, and is identified and typed according to different symptom characteristics, combined with tongue and pulse. Frequent fear of cold, and obvious pain in the anterior heart and back when exposed to cold, consider cold evil invading and obstructing, and cold evil invading. If the tongue is thick and greasy, smoking and drinking, and anterior heart pain occur at the same time, consider phlegm obstruction, phlegm obstruction. If the pain in the back of the anterior heart has a fixed point and the pain is stabbing sometimes, consider blood stasis blocking the ligament, that is, stagnation of blood. If you are usually irritable and irritable, and the symptoms occur when you lose your temper or when you are irritable and irritable, consider Qi stagnation and blood stasis. If you have frequent panic attacks, chest tightness, and are easily frightened, consider heart yang discomfort. If you have little qi, lazy speech, weakness, and laziness, and are accompanied by suffocating pain in the precordial region, consider qi deficiency and blood stasis.