If you have irregular menstruation after weaning, you should go to the hospital to complete the relevant examinations and make a clear diagnosis, and then take different treatment measures according to the specific conditions of menstruation. If the mother weaned after the case of menstruation is relatively small, you can choose estrogen and progesterone to carry on the treatment, you can also take traditional Chinese medicine treatment such as Bazhen Tang. If a woman has delayed menstruation after weaning, it is important to rule out the possibility of pregnancy. Because women usually three months after weaning, the ovaries will resume normal ovulation function, if there is a normal sexual intercourse during the ovulation period, it is possible to get pregnant and delayed menstruation phenomenon. If the delayed menstruation is caused by endocrine disorders, estrogen-progestin sequential therapy can be used. If the color of menstruation is light, it is due to the weakness of qi and blood after delivery, you can take Chinese medicine that benefits qi and replenishes blood to carry out the treatment such as Colla Corii Asini.