Stomach upset in early pregnancy can be relieved by having small and frequent meals, drinking sour plum soup and, if necessary, using stomach-healthy tablets for regulation. Stomach upset in early pregnancy is mainly caused by the high secretion of estrogen and progesterone, which causes stimulation to the digestive system. For people with serious symptoms, they need to adjust their diet structure and try to eat a small number of meals at a time to reduce the burden on the digestive system and the stimulation caused by food to the gastric mucosa. Sour plum soup can stimulate the secretion of saliva and gastric juice, therefore it can help the spleen and stomach digest food and provide some relief to the stomach difficulties. It can improve the function of the spleen and stomach, and it can help to relieve stomach distress because of the symptoms of food accumulation, anorexia, abdominal distension and stomach fullness caused by the weakness of the spleen and stomach, and it does not contain chemical ingredients and will not affect pregnant women.