Symptoms of chest tightness after eating a full meal or drinking a lot of hot water may be caused by overeating, and may also be caused by gastroesophageal reflux and other pathological factors. 1. Eating too much: Eating too much may cause the patient’s stomach to overexpand, squeezing the heart, lungs and other neighboring organs, resulting in symptoms of chest tightness. Patients should avoid drinking too much water or eating too much to avoid aggravating the burden on the digestive tract. You can also promote gastric emptying by walking, brisk walking, and taking gastric stimulating drugs such as domperidone. 2. Gastroesophageal reflux: Acid suppressants such as omeprazole, rabeprazole, etc. and gastric stimulants such as domperidone tablets can be used. The above medications should be prescribed by the doctor. The general surgery is laparoscopic fundoplication. It is recommended to seek medical advice if chest pain occurs to avoid adverse effects.