It is recommended to clarify the cause of stomach bloating after going to bed at night and choose the treatment according to the cause. Bloating may be related to diet, functional dyspepsia, chronic gastritis, intestinal obstruction and other factors, it is recommended that the patient go to the hospital in time to consult the doctor, the cause of the symptomatic treatment. 1. Diet: Eating too much sweet potatoes, soybeans and other foods that are easy to produce gas will easily lead to increased gas production and bloating. You can relieve bloating by rubbing the abdomen and increasing exercise. 2. Functional dyspepsia: It can be manifested as postprandial fullness, early satiety, lack of appetite, nausea, bloating and other symptoms. You can use drugs such as domperidone, mosapride or itopride to promote intestinal peristalsis and relieve symptoms. 3. Chronic gastritis: symptoms such as middle and upper abdominal discomfort, fullness, dull pain, bloating and indigestion may occur. It can be treated with medicines such as metoclopramide, domperidone, bismuth potassium citrate and bismuth pectin. 4. Intestinal obstruction: it may manifest as abdominal pain, vomiting, abdominal distension and cessation of defecation and other symptoms. Symptoms can be relieved by gastrointestinal decompression, suctioning out the gas and liquid in the gastrointestinal tract, or surgical treatment. Patients are advised to visit the hospital in time to clarify the cause of the disease. If medication is needed, it should be used under the guidance of a doctor.