Stopping nausea and vomiting needs to be treated according to the cause of the disease. Common causes include pregnancy, acute gastroenteritis, lack of micronutrients and so on, and the treatments taken include general treatments, medications and so on. 1. Pregnancy: Nausea and vomiting caused by changes in hormone levels in the body after pregnancy, the symptoms will be relieved or eliminated after a while, so pay attention to a light diet and get plenty of rest. 2. Acute gastroenteritis: nausea and vomiting after eating, and more often accompanied by abdominal pain, diarrhea, commonly found in acute gastroenteritis. It may be due to the intestinal bacterial infection caused by eating unclean food or cold abdomen, etc. You can take oral anti-inflammatory drugs such as levofloxacin, amoxicillin, etc., and nausea and vomiting can be taken orally to protect the gastric mucosa, such as magnesium alumina carbonate, aluminum thioglycollate, moxapril and so on. 3. Lack of trace elements: usually, the lack of trace elements will lead to headaches and nausea, you can eat more iron containing foods such as animal liver, eat more vitamins such as vegetables, tomatoes to promote the transformation of iron. Nausea and vomiting may be caused by other reasons, such as concussion, etc., it is recommended to go to the hospital in a timely manner to identify the cause of the disease, under the guidance of the doctor to give the corresponding treatment and treatment, the above drugs need to be under the guidance of the doctor to use drugs.