Pain in the middle of the chest down, consider a few reasons: 1, the middle of the chest down is the stomach, stomach pain consider chronic gastritis, gastric ulcer, duodenal ulcer or stomach polyps, it is recommended to do further gastroscopy, symptomatic treatment treatment.2, consider the heart problem, many patients have pain in the stomach first, in fact, is myocardial ischemia, myocardial infarction, and other serious diseases. If there is radioactive pain, it is best to go to the hospital for heart examination in time to avoid myocardial infarction, delayed and life-threatening.3. Consider lung problems or intercostal neuralgia caused by pain.