It is possible for moxibustion to delay menstruation. Moxibustion uses moxa leaves to heat and stimulate acupuncture points or specific parts of the body to warm the menstruation and activate blood circulation, which has little effect on menstruation. The menstrual cycle is generally about twenty-eight days, menstruation is not more than a week early or delayed are still normal, after using moxibustion, generally menstruation can come normally, sometimes there may be a delay in menstruation, generally menstruation will not be delayed more than a week. If the original body cold is heavy, after moxibustion can remove the cold, smooth the qi and blood, there will be a part of people after moxibustion menstruation slightly delayed. If your menstruation is delayed for a long time after moxibustion, you will need to go to the hospital for a checkup.