It is best not to take Wuji Baifeng Pill during menstruation because it is a Chinese medicinal preparation that has the effect of activating blood circulation and removing blood stasis. Taking Wuji Baifeng Pill during menstruation may cause increased menstrual flow and prolonged menstruation. It is mainly used for women with deficiency of Qi and blood, especially for low menstrual flow, dark menstrual blood, abdominal pain and cold limbs. You can take Wuji Bai Feng Pills to regulate, but you need to take at least two months continuously, taking too short a time to achieve the purpose of regulation. It is advisable to start taking Wuji Bifeng Pill after your period and stop taking it until your next period. It is best not to take it at the same time as other drugs that have the effect of activating blood circulation and removing blood stasis to avoid increasing the volume of menstruation or prolonging the duration of menstruation.