Pain appears under the breast, first, it is a disease that occurs in the breast, breast hyperplasia is very common. Typical manifestations are regular pain in the breast, as well as lumps in the breast glands, ultrasound can also confirm the diagnosis. The incidence of breast hyperplasia is very high, and the diagnosis should be followed by active symptomatic treatment to minimize the patient’s discomfort. Secondly, it can also be a disease that occurs in the chest wall. Simple chest wall infections, soft tissue injuries, cellulitis can all lead to the occurrence of localized pain, and even accompanied by significant fever. For patients with chest wall tuberculosis will also show pain, low fever, with obvious loss of appetite, emaciation, weight loss, with obvious symptoms of tuberculosis poisoning also need to carry out anti-tuberculosis treatment, and if necessary, also need to further choose the operation. There are also patients who develop herpes zoster secondary to viral infections, which can also manifest as chest wall pain.