Lactase is primarily used to treat lactose intolerance and also to promote digestion and absorption in the gastrointestinal tract. Lactase should not be stopped directly. Stopping lactase directly usually leads to a decrease in digestive enzymes in the gastrointestinal tract, which affects the digestive and absorptive functions of the gastrointestinal tract and may cause indigestion, affect the metabolism of fats, proteins, carbohydrates and other components, and hinder the absorption of water and electrolytes by the intestinal lining, which may lead to abdominal pain and osmotic diarrhea. When the lactase content is low, it may lead to absorption disorders as well as abdominal pain, so it should be supplemented accordingly in time, and in the process of use, it is recommended not to stop suddenly, you can reduce the amount appropriately, and then stop the drug to avoid certain side effects on the body. If patients use lactase process, it is recommended to consult a doctor in time, consult the relevant doctors, under the guidance of the doctor to stop.