The medical name for regular vacation should be menstruation. Saffron has the effects of activating blood circulation, dispersing blood stasis, dispersing depression and opening up knots, cooling blood and removing toxins (referring to the treatment of blood-heat and toxins). It is effective in treating amenorrhea and irregular menstruation caused by stagnation of blood stasis. Saffron is the upper part and stigma of the flower column of Saffron, family Iridaceae. The drug has the efficacy of activating blood circulation, removing blood stasis, dispersing depression and opening up the knot, cooling the blood and detoxifying the toxin, and can be clinically used in the treatment of dysmenorrhea, amenorrhea, irregular menstruation, post-partum discharge, abdominal mass pain, bruises and injuries, depression, palpitations, and warm spots and other illnesses. It should be noted that the drug is forbidden to be taken by pregnant women. Before using saffron, it is recommended to go to a regular hospital, under the guidance of a professional physician to identify the use.