Menstrual disorders clinically manifested as disorders of the menstrual cycle or bleeding, there are the following situations: 1, irregular uterine bleeding This is a clinical symptom, specifically including: excessive menstruation or prolonged duration or drenching bleeding. It is common in disease conditions such as uterine fibroids, endometrial polyps, endometriosis or dysfunctional uterine bleeding. Dysfunctional uterine bleeding refers to abnormal uterine bleeding caused by endocrine regulation system disorder without obvious organic lesions in internal and external genitals. It is the most common type of menstrual disorders and is common in adolescence and menopause. It is divided into two categories: ovulatory and anovulatory, and about 85% of the cases are anovulatory dysmenorrhea. 3, amenorrhea is a common symptom of gynecological diseases, can be caused by a variety of different reasons. Amenorrhea is usually categorized as primary and secondary. Anyone who has not had menstruation after the age of 18 is called primary amenorrhea; anyone who has not had menstruation for more than 6 months after the onset of menstruation and before the normal menopause (except during pregnancy or breastfeeding) is called secondary amenorrhea. Menopause means the termination of menstruation, which refers to the cessation of menstruation for more than 12 months. However, perimenopause is often characterized by changes in the menstrual cycle and menstrual flow. The manifestations are shortened menstrual cycle, mainly shortened follicular phase, anovulation and increased menstrual flow. Examination measures: 1. Ultrasound examination Reflects the uterus, ovaries and pelvis. Cytologic examination: Abscission cell examination to check ovarian function and exclude cervical malignant lesions. 3.Biopsy to determine the nature of the lesion, mostly used in the diagnosis of tumor. 4.Endocrine determination At present, the hormones secreted by hypothalamus, ovary, thyroid gland and adrenal cortex such as follicle-stimulating hormone, luteinizing hormone, prolactin, estrogen, progesterone, testosterone, tri-iodothyronine, tetra-iodothyronine, and thyroid hormone can be measured. Simple methods commonly used to understand ovarian function include vaginal smear, cervical mucus, basal body temperature and endometrial biopsy. 5, X-ray examination Uterine iodine oil imaging can understand the situation of the uterine cavity, whether there are submucosal fibroids or polyps. Pteronasal tomography can be used to find out whether there are pituitary tumors or not. Hysteroscopy or laparoscopy can be used to observe the lesions in the uterine cavity and pelvic organs. 7.Others: Liver and kidney function and blood system examination should be done as appropriate. If necessary, chromosome examination should be performed.