Less menstruation may be related to women's physique, and nutrition may also be related. Normal menstruation, menstruation blood volume is about 5~80 ml is considered normal. Some women with a small amount of menstruation go on a diet because of their pursuit of beauty. Excessive dieting will lead to malnutrition. This requires strict rejection of bad eating habits, and nutrition must be strengthened, because only when women reach a certain fat content can their menstruation flow normally. Some women may lose their blood if they are under pressure during the physiological period, and their blood volume will be reduced in the past for a long time compared with the last time. Therefore, women should pay attention to self-cultivation during their menstrual period, and need to eat some drugs rich in blood and qi, such as medlar, red dates, longan meat and other food that nourishes yin and blood, to help increase their menstrual volume.