Case: Ms. Zhang, 34, Han, normal menstrual cycle, menstrual flow obviously plus less for more than three cycles, anxiety, pale color, thin texture, dizziness, palpitations and insomnia, skin is not moist, yellowish color. The tongue is pale with thin moss, and the pulse is thin and weak. Diagnosis of menorrhagia – Blood deficiency. Symptoms and pathogenesis: the camp blood is weak, the Chong Ren qi and blood is insufficient, the sea of blood is difficult to overflow, so the menstrual flow is small, the color is light red, the quality is thin, blood deficiency can’t glorify the clear orifices, so the dizziness and blurred eyes, blood deficiency and the heart and spirit are not nourished, so palpitations and insomnia, blood deficiency and the outside of the skin can’t glorify the skin, so the color of the skin is yellow and the skin isn’t moistened with a pale mossy tongue and a thin pulse. Treatment: tonifying blood and regulating menstruation prescription: nourishing blood soup with ginseng, Chinese yam, astragalus, cloud ling, rhizoma ligustici, angelica, white peony, and cooked earth If palpitations and insomnia, add jujube nut, schizandra to tranquilize the spirit and will; spleen deficiency, less food, add chicken gold, sand nuts, chenpi to wake up the spleen and stomach; if menstruation is a little bit of a drip, it is the signs of amenorrhea, which is the essence of the loss of blood, it is appropriate to add Chinese wolfberry, yam meat, the head of the Wu in order to nourish the liver and kidneys, fill the essence of the blood. Prevention and regulation: 1, pay attention to menstruation and menstruation to adjust the cold and temperature, avoid wading in the rain, over-eating cold. 2, pay attention to the regulation of emotions, maintain a relaxed mood, avoid mental stimulation. 3, pay attention to the combination of work and rest, strengthen physical exercise, enhance physical fitness.