Men with vague pain above the left chest check lungs and heart are not lesions, after clear exclusion of cardiopulmonary lesions, there may be intercostal neuralgia, muscle or soft tissue injuries, ribs and rib cartilage injuries and other conditions. 1. Intercostal neuralgia: various causes such as trauma, infection, thoracic spine lesions, tumors, etc. can lead to intercostal neuralgia, which manifests itself as a vague pain in the upper left chest. 2. Muscle or soft tissue injury: some people often do not exercise, sudden strenuous exercise, or due to trauma resulting in muscle or soft tissue injuries, there may be a hidden pain or tingling sensation above the left chest, usually more after rest, after physical therapy relief. 3. Due to external violence resulting in rib fractures, rib cartilage injury, the injury site will appear hidden pain, pressure, swelling and other discomforts, the need for appropriate recuperation, under the guidance of a physician to carry out pain (such as ibuprofen), anti-infection (such as cephalosporin) and other treatments. Men with vague pain in the upper left chest and no lesions on examination of the lungs and heart are recommended to further consult the thoracic surgery department to clarify the cause of the disease.