Taking Tao Hong Si Wu Tang during menstruation does not usually cause menstrual cramps, but it is not recommended to take this formula during menstruation to avoid excessive menstruation. Tao Hong Si Wu Tang is mainly composed of peach kernel, safflower, white peony, Radix Rehmanniae Alba, Radix Rehmanniae Praeparata, Radix Angelicae Sinensis and Rhizoma Ligustici Chuanxiong, etc. It is mainly effective in nourishing and promoting blood circulation, and is mainly used for treating the symptoms of blood deficiency with blood stasis, which is seen in women with overdue menstruation, abdominal pain, and menstrual blood that is heavy and purple in color, thick and viscous, and clots. The adverse effects of this formula are not clear. As it contains peach kernel, safflower and other products to activate Blood circulation and eliminate Blood stasis (to promote blood circulation and eliminate Blood stasis in the body), it is not recommended to take this formula during menstruation to avoid excessive menstrual flow and dribbling. The specific consumption of Chinese medicine prescription should also be carried out under the guidance of the physician’s diagnosis and follow the doctor’s instructions, and should not be blindly self-medication.