For vomiting and vomiting bile during pregnancy, the first step is to identify the specific cause. The most common cause is the normal physiological reaction in early pregnancy. For patients with severe vomiting, first of all, spicy, sour and sweet stimulating foods should be avoided, and in severe cases, vitamin B1, B6 and vitamin C should be applied. In the case of acute gastroenteritis causing severe vomiting, treatment of the gastric mucosa can also be considered.