Men with vague pain in the upper right chest should beware of pneumonia, pleurisy, costal neuritis, tuberculosis, costal chondritis and so on. 1. Pneumonia: when the right upper lung is infected, there may be chest pain when breathing or coughing, accompanied by coughing, coughing up sputum, fever and other symptoms. 2. Pleurisy: when the right pleura is infected, under the stimulation of inflammation, hidden pain in the chest may appear, and the chest pain will be aggravated when taking a deep breath. 3. Costal neuritis: when the intercostal nerve located in the right side of the chest is stimulated by inflammation, a dull or stabbing pain along the intercostal nerve can occur. 4. Tuberculosis: the initial symptom of tuberculosis is coughing, and then hidden chest pain and hemoptysis may gradually appear. 5. Costochondritis: when inflammation occurs in the rib cartilage of the upper right chest, pain may appear in the corresponding area. There are other causes of right upper chest pain in men, such as heart disease, it is recommended to go to the hospital for further examination to clarify the cause of the disease in order to take appropriate treatment measures, so as to avoid delaying the condition.