If you want to replenish qi and blood before menstruation, you can drink jujube and Colla Corii Asini water and angelica and astragalus water appropriately to regulate the situation, but the effect is limited, and it usually fails to achieve a therapeutic effect. Jujube and Colla Corii Asini Water: Jujube has the effect of tonifying the center of the body and benefiting the qi (treating qi deficiency by tonifying the spleen), nourishing the blood and calming the mind (stabilizing the mind and soothing the emotions by nourishing the blood). Colla Corii Asini has the effect of nourishing blood and nourishing yin, moistening dryness and stopping bleeding. Combining the two in water and drinking it appropriately can improve menstruation caused by deficiency of qi and blood, such as low menstrual flow, pale color and delayed menstruation. Angelica sinensis and Astragalus water: Angelica sinensis has the effect of tonifying blood and regulating menstruation, activating blood circulation and relieving pain (relieving pain by removing blood stasis). Astragalus has the effect of strengthening the spleen and tonifying the middle, and elevating yang to lift the sunken organs (to elevate the yang qi of the body to lift the sunken organs). Combining the two in water and drinking it appropriately will have some improvement effect on patients with weak qi and blood. However, the effective dosage of the medication in water is limited, generally can not achieve the therapeutic effect, if you want to achieve the desired effect, it is recommended to carry out regular treatment under the guidance of a doctor. If there is any discomfort after drinking the brewed water, it is recommended to stop using it and seek medical attention in time.