The Spleen’s function of regulating blood means that the Spleen has the function of regulating blood to run normally in the blood veins without overflowing out of the veins. The mechanism of the spleen to regulate the blood has two ① the spleen to hide the camp, the camp is the essence of the water and grain, in the center of the jiao, and the combination of fluids to generate blood, the spleen can regulate the camp qi, to prevent the blood from overflowing out of the veins ② the qi can be ingested, if the spleen qi is healthy, the qi is sufficient, qi sufficient to solidify the right to regulate (consolidation), the blood does not overflow. If the spleen does not have the power to regulate the blood and the blood overflows out of the veins, symptoms such as blood in urine, metrorrhagia (excessive menstrual flow or dripping), epistaxis, epistaxis (bleeding from the skin), and blood in stools are commonly seen in the clinic. It is usually treated with medicines such as Gui Shen Wan (归脾丸). It should be noted that if patients develop the above symptoms, they are advised to go to regular medical institutions for consultation immediately to avoid delay.