The low volume during menstruation may be caused by improper menstrual care, or may be caused by disease factors, mainly through the causative measures and then improve the symptoms. 1, improper menstrual care: If excessive weight loss during menstruation, work and rest chaos, emotional anxiety, may cause abnormal menstrual volume, you need to pay attention to improve the bad habits, pay attention to warmth, ensure regular work and rest, avoid staying up late, and keep a relaxed mood. In addition, menstruation should pay attention to avoid eating cold, spicy and stimulating food, avoid drinking cold drinks, can eat more fresh vegetables and fruits; 2, abnormal ovarian secretion function: when the level of estrogen and progesterone secretion is reduced, there will be a low menstrual volume, black performance, treatment can apply progesterone symptomatic treatment, with the rise of hormone levels, menstrual volume can also be restored to normal; 3, premature ovarian failure: ovarian function decline will also It can apply hormonal drugs for symptomatic management, and also pay attention to relieving anxiety and anxiety, as well as healthy diet and regular exercise; 4, conception: in the process of implanting the fertilized egg into the endometrium, if there is capillary bleeding, there may be bleeding, which may be thought to be a small amount of menstruation, which can be clearly determined by early pregnancy test paper or ultrasound. Avoid blind medication to affect the fetal development.