The possible causes of anterior thoracic nerve pain are: 1, anterior thoracic nerve pain may be due to intercostal neuralgia, caused by poor sleep quality or poor diet, or diabetes secondary to peripheral neuropathy, causing anterior thoracic nerve pain; 2, anterior thoracic nerve pain may also be due to cardiac neurosis, especially in patients with obscure coronary artery lesions, but combined with anterior thoracic pain, if deep breathing If the pain can be relieved after deep breathing, it should be considered as cardiac neurosis; 3. Intercostal nerve is often damaged after herpes zoster virus infection, which can lead to nociceptive hypersensitivity, manifested as contact pain, and this nerve pain can sometimes affect rest; 4. Severe anxiety and severe depression may also cause secondary anterior thoracic nerve pain, and the pain is severe, and there is no lesion in the heart itself, and the pain cannot be relieved by oral related cardiac drugs.