Wuji Baifeng Pill has good efficacy in regulating menstruation, but it is not allowed to be taken during menstruation. It is important to stop taking Wuji Baifeng Pill during menstruation and continue to take it after the menstruation is over. You need to be careful not to eat spicy and cold food when taking Wuji Bifeng Pill, and stop taking the medicine for patients with cold and fever. If you have normal menstruation and suddenly have low menstrual flow, delayed menstruation and irregular vaginal bleeding, you should clarify the cause before taking the medicine. If there is no obvious effect after taking the medicine for one month, go to the hospital for examination in time to avoid delaying the condition.