Clinically, it is mostly seen in adolescent or menopausal women with delayed menstruation, abdominal pain and no menstruation. If there is no history of sexual life, you can first give warmth, drink more brown sugar water and observe that menstruation will come for a period of time. If a woman of childbearing age has a history of sexual life, the reasons for abdominal pain after delayed menstruation but not coming are: First, pregnancy, intrauterine pregnancy or ectopic pregnancy may have occurred, there will also be delayed menstruation, abdominal pain and not coming to menstruation. Second, it may be that the woman is not pregnant, but only has a menstrual disorder, and the period is delayed due to mental-psychological or cold stimulation. When the period is delayed, abdominal pain but does not come, go to the hospital to have a blood test for HCG and gynecological ultrasound. If it is caused by pregnancy factors, the woman will not have a period and needs to be treated accordingly. If the delay occurs due to menstrual disorder and the woman is not pregnant, and the woman’s endometrium is thicker after examination, progestin-based drugs can be given to induce menstruation for 3-5 days, and the abdominal pain will be relieved when the menstruation comes about 5 days after stopping the drugs.