Vomiting during menstruation can be caused by a number of reasons: First, when menstruation is present, if you eat spicy and stimulating food, including cold food, and do not pay attention to dietary habits, this will also cause vomiting during menstruation. Second, when there is the performance of menstrual syndrome, due to these changes in hormone levels, it will also cause the existence of symptoms of vomiting during menstruation. Third, if the menstrual period is overworked, or mental stress, this time will also stimulate the brain will cause a reflex vomiting situation. Fourth, when there is a lack of vitamin B6 in the body, due to the lack of vitamin, it will also cause vomiting during menstruation. Such a situation occurs. As far as possible, observe first, eat less and more, is will end in 3-5 days and will not affect the health of the body. At the same time, if it is very frequent, as far as possible, it is still necessary to go to the hospital to register in gastroenterology to rule out the presence of stomach disorders.