If the pain is caused by muscle strain due to over-exercise or mental tension, the pain will be relieved gradually by taking rest and maintaining a calm state of mind. If the sternum injury or fracture is caused by traumatic factors such as violent impact, women with hidden pain in the middle depression of the two chests are recommended to check the chest X-ray for clarification and actively perform anti-inflammatory and surgical treatment. In addition, it may also be related to chest diseases, gastrointestinal diseases, heart diseases and hematological system diseases, and the cause should be clarified for targeted treatment. Chest diseases: 1, costochondritis: there will be chest pain, swelling, pressure pain with chest tightness and other symptoms, can be under the guidance of doctors, the application of non-steroidal anti-inflammatory drugs and neurotrophic drugs to improve, can also apply minimally invasive Chinese medicine decompression treatment. At the same time, pay attention to rest and avoid straining. 2. Breast hyperplasia: breast pain can spread to the middle recess of the two breasts, which will cause pain and also symptoms such as breast lumps. Breast tumor: if breast tumor invades into sternum, it will also cause symptoms of hidden pain in the middle of the two chests, which should be diagnosed by mammography, magnetic resonance imaging, etc., and be removed by radical treatment plus lymph node dissection combined with radiotherapy; 4. They should check carcinoembryonic antigen, MRI and other items to confirm the diagnosis and perform surgery, chemotherapy and radiotherapy. Gastrointestinal diseases: 1. Reflux esophagitis: stimulation of the esophagus by reflux can cause chest pain, burning sensation behind the sternum, accompanied by acid reflux, belching and other symptoms, which can be treated with acid suppressants such as omeprazole and ranitidine, and gastric mucosal protectors such as aluminum thioglycollate, and also surgical treatment such as fundoplication and endoscopic radiofrequency ablation, etc.; 2. Gastric ulcer: as the abdominal pain extends to the chest, it can cause chest pain symptoms, also accompanied by nausea, vomiting, acid reflux, belching, etc., which can be treated with omeprazole and ranitidine. Cardiac diseases: 1, myocarditis: there will be chest pain, chest tightness with dyspnea, muscle pain, fatigue and other symptoms, can be applied under the guidance of the doctor furosemide diuretic, amiodarone and other drugs for treatment, try to bed rest, avoid anxiety, anger; 2, angina: there will be a depression between the two chests, squeezing, smothering pain symptoms, often in the exertion, emotional agitation, can be relieved by rest or contain Nitroglycerin to relieve. Fourth, the blood system diseases: such as leukemia, due to the proliferation of leukemia cells infiltration, patients can appear sternal pain symptoms. Women can show symptoms of hidden pain in the middle depression of the two chests, but also accompanied by fever, anemia and other symptoms, under the guidance of professional doctors, correct anemia, the use of chemotherapy drugs, such as rituximab treatment, but also the application of radiation therapy to relieve discomfort. Daily attention should be paid to the prevention of infection and regular return to the hospital for review to avoid aggravation of the disease.