The symptoms of nausea and vomiting during menstruation are usually caused by menstrual syndrome and may also be caused by gastrointestinal discomfort, which can be treated according to the cause. 1. Menstrual syndrome: Menstrual syndrome refers to pain in the lower abdomen caused by hormonal changes during or around menstruation, often accompanied by nausea, vomiting, diarrhea, etc. In severe cases, symptoms such as pallor, cold hands and feet In severe cases, pale face, cold hands and feet, cold sweat and other symptoms may occur, and recur with the menstrual cycle. Women can adjust their diet and lifestyle to relieve the discomfort, such as avoid eating too cold, spicy, greasy food. In addition, women can drink brown sugar and ginger water in moderation during menstruation to relieve the symptoms of vomiting through the warming effect of ginger water. At the same time, you can use a hot water bag or a warming patch on the abdomen to keep warm, avoid cold stimulation, ensure enough sleep and rest, avoid too much tension, anxiety, but also by listening to comfortable songs or walking to relieve emotions and reduce vomiting; 2, gastrointestinal discomfort: If you eat improperly during the period, or eat spoiled, contaminated food, may cause bacterial infection of the gastrointestinal tract, which can cause nausea and vomiting symptoms. At this time, you need to pay attention to eat less and more meals, to avoid eating too much to increase the burden on the gastrointestinal tract, resulting in the aggravation of the vomiting phenomenon. In addition, anti-diarrheal drugs or probiotics can be applied to inhibit intestinal peristalsis and regulate intestinal flora to reduce symptoms, and anti-infection treatment with antibiotics can be applied if necessary to relieve symptoms.