Bleeding all the time, if it is an adolescent female, before sexual intercourse, consider anovulatory dysfunctional uterine bleeding. It is mainly due to the fact that the hypothalamus-pituitary-gonadal axis is not yet well developed, resulting in the production of non-ovulatory menstruation. Due to non-ovulation, there is no progesterone to protect the endometrium, and prolonged estrogen stimulation will cause endometrial hyperplasia, so for patients with pubertal dysfunctional hemorrhage, the main thing is to protect the endometrium with regular progesterone. In addition, if women before or after menopause have vaginal bleeding, most of them consider the possibility of endometrial pathology, such as atypical hyperplasia of the endometrium, complex hyperplasia of the endometrium, and so on. Diagnostic curettage is required, and the next course of action will be determined after the postoperative pathology is returned.