Low menstrual flow after uterine clearance may be caused by a variety of reasons, mainly uterine adhesions, low immunity, premature ovarian failure, etc. The causes should be clarified and treated. Common causes and treatments 1. Uterine adhesions: complications such as incomplete or complete adhesions often occur, resulting in a significant decrease in menstrual flow or amenorrhea, prompt hysteroscopy should be done, and if there are indeed adhesions, the adhesions should be separated under the hysteroscope, and a birth control ring should be put in place to avoid further adhesions, and estrogen, such as estradiol valerate, can also be supplemented to promote endometrial growth; 2. Immunity Low immune system: the removal of the uterus can cause damage to the body, which can lead to low immune system, manifested as weakness, physical weakness, low menstrual flow and other symptoms, after surgery, attention should be paid to rest, strengthen nutrition, and can carry out evidence-based treatment, under the guidance of the doctor rational use of drugs, such as deer fetus cream, Pat Chun Yi Mu capsule, etc.; 3, premature ovarian failure: there can be symptoms of low menstrual flow, menstrual cycle disorders or amenorrhea, accompanied by hot flashes, excessive sweating, facial flushing, etc. The diagnosis should be confirmed by vaginal ultrasound examination and blood hormone level measurement, and estrogen and progesterone replacement therapy, ovulation promotion and immunotherapy can be used. It is forbidden to have intercourse and take a tub bath within one month after the cleansing operation, because the cervical opening has not been completely closed and bacteria can easily travel upward to cause pelvic infection, resulting in a series of gynecological inflammation, such as endometritis, tubitis, etc., and even symptoms such as abdominal pain, lumbago and fever. After surgery, you should rest for two weeks, refrain from heavy physical labor and avoid eating cold, spicy and stimulating foods.