Bazhen ointment can really regulate menstruation, because it contains a variety of ingredients that can invigorate qi and nourish blood, and has a good improvement effect on irregular menstruation or deficiency of qi and blood, as well as dysmenorrhea. It can also help prevent anemia and has a good effect on limb weakness and sallow complexion. However, it should be noted that although Bazhen ointment can improve irregular menstruation, it is not recommended for women to drink it during menstruation, because it may lead to an increase in menstrual flow and even bloody collapse.