If menstruation is delayed for many days without coming, and the woman has normal sexual life and does not use contraception, the possibility of pregnancy should be ruled out first. If there is no pregnancy, the following methods can be given to promote menstruation: first, you can drink brown sugar and ginger water for three days, which has the effect of promoting menstruation. Secondly, you can massage the point of making dirt below the first joint on the back side of the thumb, twice a day, 100 times a massage, has the effect of promoting menstruation. Third, you can take progesterone orally to promote menstruation, the vast majority of women after stopping progesterone 3-7 days will come to menstruation. If you stop taking progesterone after the eighth day has not come to menstruation, must go to the hospital for examination, mainly to rule out premature ovarian failure or uterine adhesions caused by the phenomenon of menopause, try to early examination, early treatment.