There are three main conditions of right chest pain in men: first, neurological disorders, such as chondromalacia or intercostal neuralgia, which manifests as stabbing pain in the chest and can be radiated along the back of the ribs, mostly aggravated after exercise or emotional excitement, and can be relieved after resting in bed. Second, pleurisy, often caused by the spread of lung infection to the pleura, causing chronic inflammatory changes in the pleura, manifested as paroxysmal stabbing pain in the chest and aggravated by deep breathing and violent coughing. Third, gynecomastia, mostly caused by increased estrogen levels or a lower ratio of androgens to estrogen, is clinically manifested by breast swelling and pain and enlarged hyperplastic tissue can be palpated under the areola. A variety of diseases can cause a burst of pain in the right chest of boys, should be promptly to the hospital to clarify the cause of the pain, and actively treat, do not blindly use drugs leading to the progress of the disease.