The normal menstrual period is usually 3-7 days, which is normal. In some women, the menstrual period is prolonged, more than 1 week, which is a prolonged menstrual cycle, and it is necessary to consider whether there are some hormonal disorders in the body, such as estrogen and progesterone disharmony, and to exclude any pathological lesions. For example, cervical polyps, endometrial polyps, ovarian cysts, fibroids and other phenomena may cause prolonged menstrual cycle and heavy menstruation. In this case, it is necessary to do ultrasound and gynecological examination followed by colposcopy, and then after the examination, it is necessary to treat the symptoms. If there are polyps, they need to be treated by surgery. If these are ruled out, you can use some medication to regulate your menstrual cycle. Try to eat less cold food during menstruation and pay attention to the cleanliness of the vulva.