There are many reasons why menstruation does not come down, mainly the following: first, consider endocrine disorders, if women’s body hormone secretion disorder, will directly affect the normal menstrual cycle, thus appearing menstruation and other symptoms performance; second, may be caused by pregnancy, if intercourse during ovulation will appear pregnancy symptoms, so it will also lead to the cessation of menstruation; third, a variety of gynecological diseases or ovarian Third, various gynecological diseases or ovarian premature aging, excessive weight loss and other problems can affect the normal onset of menstruation, while excessive psychological stress, excessive tension or improper diet may also lead to irregular menstruation. It is recommended to pay more attention to observe the physical symptoms, if there is irregular menstruation, timely medication to avoid other abnormalities, usually pay more attention to rest, it is best not to eat cold, stimulating food.