The main methods of regulating menstrual flow are as follows: 1. In clinical practice, the first thing to consider is blood deficiency, mainly with blood-nourishing drugs, such as the typical four-item soup, plus gum and mugwort, that is, gum and mugwort soup to nourish blood and regulate menstruation; 2. If the decrease in menstrual flow is caused by kidney deficiency, you can use Liu Wei Di Huang Wan as the main formula. Kidney deficiency should be identified as which aspect of deficiency, kidney yin deficiency or kidney yang deficiency, after the basic formula to make additions and subtractions; 3, blood deficiency or kidney deficiency patients are often combined with blood stasis or phlegm, that is, deficiency and stasis, phlegm combined with each other, not with separate symptoms, the doctor must be accurate in identifying the evidence, in order to use the medicine well; 4, during the period can be used gum, brown sugar, mugwort water to drink, the effect is also good, very helpful to nourish the blood ; 5, must adjust the mood, emotional comfort, hands and feet and abdomen to keep warm, also helpful for menstrual enhancement. Then find an experienced doctor to check and find out what exactly is causing the reduced menstruation to give targeted treatment to achieve a better regulating effect.