Whether or not Pat Chun Yi Mu Capsules can be taken during menstruation is determined by the menstrual condition of each woman. For example, if the menstrual flow is low at the time of menstruation, then it is possible to take Bajhen Capsules during menstruation. It can improve the irregularity of menstrual cycle, reduce dribbling and reduce the amount of menstruation due to thin endometrium. If the effect is very good, then take a course of oral treatment for one month if possible. For example, if the menstrual period is very heavy and the normal menstrual volume is the same when taking Bajhen Yimu Capsules, then it is not recommended to take Bajhen Yimu Capsules orally. This is because there is the effect of activating blood to regulate menstruation and benefiting qi to nourish blood. Then it will cause an increase in menstrual flow to have a certain impact on the body, as far as possible is to be taken orally 3 days after the clean menstruation.