A little bit below the middle of the chest is the location where many organs intersect with each other. First, the heart, the whole middle of the chest is called precordial area, once accompanied by cardiac ischemia, hypoxia, or irregular beating, patients will experience pain and discomfort in the middle of the chest, which can be examined by cardiac ultrasound, electrocardiogram or coronary angiography to clearly identify the lesions of the heart. Second, the stomach, the stomach is the body’s important organ to digest and grind food, once accompanied by gastric ulcer, bile reflux gastritis or gastric perforation patients will have different degrees of pain symptoms. For perforated lesions, patients are advised to undergo surgery as soon as possible because it can cause infectious shock. Third, the common bile duct, the liver secretes bile through the common bile duct into the intestinal tract to help patients digest food, once the common bile duct with stone blockage, acute obstructive septic cholangitis performance, patients need to be operated as soon as possible to lift the obstruction of the bile duct, remove the stone, to achieve better therapeutic effect.