Right chest tightness and pain is considered to be related to cholecystitis, cardiac neurosis and pneumonia. 1. Cholecystitis: mainly caused by bile duct obstruction, bile stasis leading to secondary infection, often showing severe pain in the upper abdomen, accompanied by nausea, vomiting, etc., which may be accompanied by right chest tightness. 2. Cardiac neurosis: mainly caused by depression, sentimentality, environmental factors, genetic factors, etc., often showing palpitations, dyspnea, precordial pain, insomnia, loss of appetite, etc., which may lead to right chest tightness and pain. 3. Pneumonia: mainly caused by bacterial and viral infections, smoking, air pollution, abnormal immune function can also trigger the disease, often manifested by fever, cough and sputum, shortness of breath, dyspnea, etc., which may lead to the emergence of the right chest tightness and pain. Therefore, it is recommended that when any discomfort occurs, you should choose to seek medical treatment, scientific examination to clarify the cause of the disease and early treatment.