Women can apply wormwood packs during menstruation, which can promote blood circulation and facilitate the discharge of menstrual blood to improve menstrual cramps. If the amount of menstrual blood is too much, it is not recommended to apply the wormwood packs to avoid excessive bleeding, resulting in prolonged menstruation. Menstruation must pay attention to menstrual hygiene, to change sanitary napkins to avoid reproductive tract infections, but also pay attention to warmth, avoid eating cold, cold stimulating food, pay attention to more rest can not be too fatigue, to strengthen the nutrition to enhance the quality of body, to avoid violent emotional fluctuations, mental stimulation, etc., to maintain a calm state of mind.