The causes of right chest stuffy pain may be right pneumothorax, pulmonary embolism, pleural effusion, malignant tumor, liver and gallbladder diseases. The right side of the chest pain, mainly need to consider the right side of the upper abdomen and the right side of the thoracic cavity due to disease, to confirm the diagnosis of the need to do the relevant tests such as abdominal ultrasound, abdominal CT, chest CT, etc., but also need to draw blood tests such as routine blood, liver function, biochemical tests, coagulation function, tumor markers, and so on. Abdominal diseases such as cholecystitis, cholangitis, hepatobiliary tumors, etc., pneumothorax, pulmonary embolism, pleural effusion, malignant tumors invading the pleura and/or lung tissues, etc., may lead to stuffy and congestive pain in the right chest. Different diseases need to be combined with clinical symptoms and related signs, relevant examinations and tests to formulate individualized treatment plans, and to go to regular hospitals for diagnosis and treatment to avoid delays.