Late pregnancy diarrhea should be treated in time, to find the causes of diarrhea, the common causes are as follows: First, dietary impurity caused by, for example, eating overnight, spoiled food, eat raw and cold vegetables and fruits are not washed. Second, eating indigestible food, resulting in dyspeptic diarrhea. Gastrointestinal colds. Food poisoning. The correct diagnosis should be made according to the medical history, the results of stool tests, and the treatment should be in accordance with the removal of the cause of the disease. If the diarrhea is severe, oral rehydration salts or infusion therapy is needed to avoid dehydration causing water electrolyte disorders. If the abdominal pain is severe and determined to be caused by intestinal cramps, scopolamine can be injected intramuscularly for antispasmodic and analgesic treatment. If it causes frequent contractions, it should be treated with appropriate birth control according to the gestational week.