Gastrointestinal nausea and vomiting may be caused by a variety of reasons, for different reasons, there are different ways to alleviate the common causes of gastric diseases, pregnancy, adverse factors stimulation. 1. Gastric diseases: common gastric diseases include gastritis, gastric ulcer, gastric cancer, etc. For the nausea and vomiting caused by gastric inflammatory stimulation and tumor invasion, you can take drugs such as domperidone and cisapride tablets under the guidance of a doctor to alleviate the symptoms of vomiting. 2. pregnancy: early pregnancy, because the peristalsis of the gastrointestinal tract decreases, resulting in the accumulation of gastrointestinal tract contents, resulting in nausea and vomiting symptoms, you can take vitamin B6 and other drugs under the guidance of the doctor to relieve the symptoms. 3. Adverse factors stimulation: the consumption of spicy stimulating or too greasy food, as well as the food itself is not clean, will affect the function of the gastrointestinal tract, resulting in indigestion nausea and vomiting, at this time can be taken under the advice of the doctor, omeprazole, metoclopramide and other drugs to relieve symptoms. If the patient’s symptoms do not improve, it is recommended to go to the hospital as soon as possible, to clarify the cause of the disease for targeted treatment.