Many patients with bad heart will have purple lips, which belong to stagnation of qi and blood in Chinese medicine, but there are many explanations in Western medicine, such as some heart diseases are caused by lung diseases, while some are long term heart diseases and lead to lung disorders, which will also lead to stagnation of blood and lead to purple lips, such as pulmonary heart disease caused by long-term chronic bronchitis also belongs to heart disease. Long-term chronic bronchitis and lung tissue changes will lead to ischemia and hypoxia in the body, which will lead to astringent lips. And some congenital heart disease will lead to pulmonary hypertension, pulmonary hypertension will also appear lung tissue changes and lead to ischemia, hypoxia and thus purple lips. If heart patients suddenly appear purple lips, sweating, breathing difficulties, etc., to promptly go to the hospital for treatment, it may be a manifestation of the aggravation of the disease.