Right chest pain may be caused by coronary artery disease, and may also be caused by physiologic factors or other diseases. 1. Physiological factors. The most common is cardiac neurosis, which is a kind of functional disease caused by factors such as tension, anxiety, emotional excitement, mental trauma, etc. There is no obvious abnormality of organ and system function in physical examination, and it often occurs in young adults and has a good prognosis. 2. Disease factors. The most common causes are cardiovascular diseases, including coronary heart disease, hypertrophic cardiomyopathy, acute pericarditis and so on. Respiratory diseases, such as pneumonia, lung abscess, spontaneous pneumothorax. In addition, other diseases, such as reflux esophagitis, esophageal cancer, subdiaphragmatic abscess, liver abscess, etc., may also cause chest pain on the right side. It is recommended that people who experience chest pain should seek prompt medical attention to clarify the specific cause of the condition and treat it aggressively.