Stomach bloating, nausea and vomiting followed by relief may be caused by pregnancy, improper diet, gastroenteritis, gastric ulcer, etc. It is recommended to consult a doctor in time to make a clear diagnosis in such cases. 1. Pregnancy: If a woman of childbearing age develops symptoms such as bloating, nausea and vomiting, and vomiting followed by relief, she should consider whether it is early pregnancy, and the diagnosis can be clarified through the history of menstruation and urine HCG test. 2. Dietary factors: If you eat cold, spicy and other stimulating foods, such as ice-cream, spicy hot, etc., or overeating, stimulating the gastric mucosa, it will lead to gastric discomfort, stomach pain, bloating, nausea, vomiting, diarrhea and other symptoms. Generally vomiting after the stimulation of gastric mucosa factors disappear, the symptoms will be relieved. It is recommended to eat a light diet and avoid overeating. 3. Gastritis: usually caused by Helicobacter pylori infection or drug factors, often manifested as epigastric pain, bloating, nausea and vomiting, loss of appetite. After vomiting, the irritating factors disappear and the symptoms often disappear. 4. Gastric ulcer: Gastric ulcer is generally caused by alcohol, non-steroidal anti-inflammatory drugs, Helicobacter pylori and other factors leading to gastric mucosal congestion, erosion, acid reflux, bloating, nausea, vomiting and other symptoms. After vomiting, due to the discharge of irritating factors, the gastric mucosa stimulation is reduced, so after vomiting instead of comfortable. In addition, gastric distension, relief after vomiting may also be caused by enteritis, cholecystitis and other diseases. The occurrence of the above symptoms, it is recommended to go to the hospital in a timely manner, to clarify the cause of the disease, under the guidance of the doctor for treatment.