Gui Zhi Fu Ling Pill for dysmenorrhea, Gui Zhi Fu Ling Pill has the ability to invigorate blood circulation and remove blood stasis, used for blood stasis and menstrual closure, abdominal pain during menstruation, incomplete dew after childbirth, for dysmenorrhea, menstrual disorders, bleeding after childbirth, amenorrhea has certain curative effect, however, Gui Zhi Fu Ling Pill is only suitable for physiological dysmenorrhea, for example, it is due to the period of menstruation, the endometrium shedding to release a large amount of prostaglandins, promote the uterus contraction caused by dysmenorrhea, or due to menstrual blood or dysmenorrhea caused by the difficulty in discharging menstrual blood in the uterine cavity, which stimulates the uterus. For pathological dysmenorrhea, Gui Zhi Fu Ling Wan is not effective, such as dysmenorrhea caused by endometriosis, where the endometrium is ectopic to the muscle layer of the uterus, forming uterine adenomyosis, or ectopic to the ovaries, forming ovarian chocolate cysts, which requires surgery to remove the endometriotic lesions in order to treat dysmenorrhea.