Playing badminton chest pain may be caused by muscle overstrain, insufficient blood supply to the heart, intercostal muscle spasm, pneumothorax and other reasons. 1. Muscle overstrain: During the process of playing badminton, the body undergoes strenuous exercise, which may lead to overstrain in the case of muscle strain, resulting in chest pain. 2. Insufficient blood supply to the heart: when playing badminton, the body undergoes strenuous exercise. The blood supply function of the heart may not be able to keep up with the situation of insufficient blood supply to the heart, and then the phenomenon of chest pain. This situation generally consider the possibility of coronary heart disease. 3. Intercostal muscle spasm: the body is in the process of exercise, the muscles are pulled. May lead to the intercostal muscles between the ribs produce a persistent spasm, pain, etc., mostly manifested as chest pain. 4. Pneumothorax: the sudden violent movement when playing badminton may lead to the rupture of the lung blisters, and the air enters the pleural cavity through the pleural rupture, forming pneumothorax, which is manifested as sudden chest pain, followed by tightness in the chest, dyspnea, accompanied by irritating dry cough and so on. When patients experience chest pain after playing badminton, it is recommended that they go to the hospital to receive professional diagnosis and treatment from a doctor.