Male chest pain on both sides may be caused by acute myocardial infarction, aortic dissection, pneumothorax and other diseases. 1. Myocardial infarction: it is a serious cardiovascular disease caused by myocardial ischemia and necrosis, and often starts acutely. Before the onset of symptoms such as chest tightness and shortness of breath, panic and weakness, and during the onset of the attack, there may be pressure pain on both sides of the chest, especially in the left anterior chest area. 2. Aortic coarctation: It is a disease caused by blood entering the middle layer of the aorta to form a hematoma and continue to expand up and down, and can be caused by pain on both sides of the chest, as well as pain in the back, left arm, left face and neck. 3. Pneumothorax: It is the accumulation of gas in the pleural cavity caused by rupture of the pleural cavity due to trauma or lifting of heavy objects, and gas enters the ruptured pleural cavity. The main manifestations are pain in the ribcage area on both sides of the chest, dyspnea and inability to lie down. If the pain on both sides of the chest persists for a long time and is not relieved, it is important to pay attention to it and go to the hospital in time for various examinations.