Hidden pain below the heart socket may be caused by lung disease, esophageal disease, heart disease and so on. 1. Lung diseases: When patients suffer from lung diseases such as lung infection, it will easily lead to lung infection and cause symptoms of hidden pain below the heart socket. 2. Esophageal diseases: If the reflux esophagitis, esophageal rupture hole, esophageal hiatal hernia and other diseases, it will be easy to appear obvious behind the sternum, epigastrium, etc., pain, burning sensation, acid reflux and other symptoms. 3. Heart disease: when the patient has cardiac neurosis, pleurisy and other diseases, due to problems in the heart system, leading to the symptoms of hidden pain below the fossa of the heart. If the patient has hidden pain below the fossa of the heart, he should go to the hospital in time, to clarify the cause of the disease, and follow the doctor’s instructions for treatment, so as to avoid delaying the condition.