Coronary artery stenosis belongs to the category of thoracic paralysis in Chinese medicine, and requires evidence-based treatment, which can be categorized into cardiac blood stasis, qi stagnation cardiothoracic syndrome, phlegm obstruction syndrome, and cold congealing cardiac veins syndrome for different types of treatment. 1. Cardio-blood stasis and obstruction (insufficiency of heart qi, obstruction of blood circulation) syndrome, symptoms include stabbing pain in the chest, fixed pain site, aggravated at night, dark red tongue with petechiae, treatment needs to activate blood circulation and eliminate blood stasis (promote blood circulation and eliminate blood stasis in the body) to relieve pain, and can be chosen to be treated by adding subtractions of Blood Palace and Blood Stasis Soup. 2. Qi stagnation cardiothoracic (stagnation of Qi in the cardiothoracic area), chest distension and pain, belching (hiccups), aggravated by emotional upset, thin tongue coating, the treatment needs to move the Qi to relieve pain (by regulating the body’s Qi to alleviate the pain), can be chosen to Chai Hu Shuo Hepatosan treatment with additions and subtractions. 3. Phlegm obstruction (phlegm and turbid evil qi obstructing qi): chest tightness is the main cause, accompanied by coughing and phlegm, shortness of breath, heavy limbs, fat body, easy to develop on rainy days, tiredness, reduced meals, do not want to eat, stools are not shaped, and so on. Treatment needs to promote yang qi, exclude phlegm and drain turbidity, and can use gua gua bao bai bai half summer soup and cleansing phlegm soup plus subtractions to treat. 4. Cold condensation of the heart vein (cold evil condensation and blockage of the heart vein): manifested as sudden chest pain and heart pain after being cold, the pain is colic, the pain is intense, the heart pain goes to the back, the limbs are cold, chest tightness and shortness of breath, panic, etc. The treatment needs to be pungent, warm and dissipate cold, and to dispel phlegm. The treatment needs to be pungent and warm to disperse the cold and promote the heart yang, which can be treated with the addition and subtraction of Citrus Aurantium Allium Cinnamon Branch Soup and Angelica Sinensis Four Reversed Soup. If coronary artery stenosis occurs, it is recommended to seek medical advice from a TCM practitioner in a timely manner.