Menstruation accompanies women from puberty until menopause, and is intimately referred to as an “old friend”, but most women do not get along well with this “old friend”, and menstrual irregularities are plaguing countless women today. Here we will learn about the types of irregular menstruation and the advantages of Chinese medicine in treating irregular menstruation. Menstruation is the physiological cycle of uterine bleeding and vaginal blood discharge. The normal cycle is about 28 days, the menstrual blood is bright red in color, not thin and not thick, not fishy and not smelly, about 50-80 ml, the menstrual period is about 4-5 days, and the abdomen and breasts are slightly swollen before menstruation. The first menstruation usually occurs at the age of 11-16 years, and menopause at the age of 45-55 years. Irregular menstruation, i.e. menstrual disorders, includes changes in menstrual cycle, menstrual period, menstrual blood color, quality, quantity, smell, and accompanying symptoms before and after menstruation or before and after menstrual break. The causes of menstrual diseases are mainly cold, heat and dampness, emotional and emotional factors, injuries in the room, dietary disorders, overwork and physical factors. Types of menstrual disorders: Premenstrual: menstrual cycles that occur more than 7 days in advance, or even more than 10 days in a row, for more than two consecutive cycles. Late menstruation: the menstrual cycle is delayed for more than 7 days, or even for more than 3-5 months, for more than two consecutive cycles. Irregular menstruation: the menstrual cycle may be advanced or delayed for more than 7 days for more than 3 consecutive cycles. Excessive menstruation: the amount of menstruation increases significantly compared with normal, while the cycle is basically normal. It is generally considered that a menstrual flow of 30-50 ml is appropriate, and more than 80 ml is considered excessive menstruation. The amount of sanitary napkins used is roughly estimated, the normal amount is an average of four or five times a day, not more than two packs per cycle (each pack of 10 tablets). If three packets of sanitary napkins are not enough, and almost every napkin is soaked through, it is considered excessive flow. Hypomenorrhea: The amount of menstrual flow is significantly reduced, or the duration of menstruation is less than 2 days, or even a drip is clean. Generally speaking, a menstrual flow of less than 20ml is considered to be menorrhagia. Prolonged menstruation: the menstrual cycle is basically normal, but the duration of menstruation is more than 7 days, or even half a month after the menstruation. Intermenstrual bleeding: small amount of vaginal bleeding in the middle of two menstrual periods. Metrorrhagia: Metrorrhagia is a serious disorder of the menstrual cycle, menstrual period and menstrual flow, which means that the menstrual blood does not come down at irregular intervals, or the bleeding does not come to an end. Amenorrhea: A woman over 16 years of age who has not yet experienced menstruation, or whose menstrual cycle has been established and then interrupted for more than 3 months, or whose menstrual cycle has been suspended for more than 3 menstrual cycles. Dysmenorrhea: When a woman is in her menstrual period or before or after her menstrual flow, she experiences cyclic pain in the abdomen or pain leading to the lumbar and sacral regions, or even fainting with severe pain. Symptoms before and after menstruation: every time before and after menstruation or during menstruation, there are obvious discomfort systemic or local symptoms periodically, such as breast distension and pain during menstruation, headache during menstruation, diarrhea during menstruation and swelling during menstruation, etc., which are more common in the 2-7 days before menstruation or during menstruation. Symptoms before and after menopause: Before and after menopause, women have obvious discomfort symptoms around menstrual disorders or menopausal arcs, such as baking heat and sweating, irritability, dizziness and tinnitus, palpitation and insomnia, and lumbar and back pain. Menstrual break and recurrence: menopausal women whose menstruation has stopped for 1 year or more, and then uterine bleeding occurs again. Change of menstrual color: the color of menstrual blood becomes pale, dark, black or purple. Change in menstrual quality: menstrual blood is thin and not sticky or thick and lumpy. Change in odor: the menstrual blood smells bad. Chinese medicine gynecology is the most characteristic of Chinese medicine among all Chinese medicine clinical departments. Through thousands of years of exploration, it has accumulated rich clinical experience in the treatment of menstrual diseases. It focuses on the change of menstrual cycle and bleeding volume, combining the cycle of menstruation, color, texture, quantity and systemic symptoms from the four aspects of cold, heat, deficiency, real evidence-based treatment, can receive excellent results. Moreover, there are many gynecological diseases, Chinese medicine from the regulation of menstruation to start, menstruation, all diseases are cured. The advantage of Chinese medicine in treating menstrual disorders lies in the following: Western medicine mainly uses estrogen and progesterone in the treatment of menstrual disorders, while Chinese medicine treats menstrual disorders by applying Chinese medicine theories to identify and analyze the symptoms and tongue and pulse of the patients, and then prescribes medicines to treat them; traditional Chinese medicine is a natural plant, with fewer toxic and side-effects. At present, menstrual disorders are mainly related to work pressure, emotional tension, anxiety, depression; dietary irrationality, skipping breakfast, excessive consumption of cold fruits and drinks; staying up too late and too little exercise.