The causes of pregnancy vomiting at night vary from person to person. Hormonal changes in the body during pregnancy can cause gastrointestinal discomfort, resulting in nausea and vomiting, and pregnancy vomiting at night may be caused by slow gastrointestinal peristalsis at night. If you have eaten food that is not easy to digest at night, such as beef, mutton and other foods, the symptoms are different for each person’s physique. If you have severe pregnancy vomiting, it is best to take drugs that promote gastrointestinal motility under the guidance of a doctor, and you can also improve your diet, such as eating millet porridge, hanging noodles and other easily digestible foods, which can improve the symptoms of pregnancy vomiting, and you can also take vitamin B6 to stop vomiting. In the early stage of pregnancy, you should drink more water and eat more vegetables and fruits, which can replenish vitamins and relieve the symptoms of pregnancy vomiting. It is better to go out for a walk at night after dinner to relax and improve the early pregnancy reaction, and serious pregnancy vomiting can cause malnutrition, so it is better to take fluids to replenish energy.