The menstrual period is a critical period for women’s bodies to repair themselves, and it is also the period when their health and resistance are at their worst. If a woman has diarrhea during this period, it may have some adverse effects on her. Since women who have just given birth to a baby are deficient in qi and blood during the menstrual period, and their yang energy is also insufficient, frequent diarrhea will damage the spleen and stomach yang energy. Food is cooked by the stomach to become water and grain, and these nutrients depend on the spleen to transport and transform to nourish the limbs and internal organs. If the spleen and stomach are damaged, on the one hand, food cannot be transformed into essence and the body is deprived of moistening and nourishment, so that qi and blood cannot be fully transformed. On the other hand, prolonged diarrhea itself will cause Yang Qi to fall out and deplete Yang Qi, which will make the already weak body of the postpartum mother even weaker and thus not conducive to her recovery. If prolonged diarrhea makes the middle qi sink, it will also increase the risk of hemorrhoids, prolapse, uterine prolapse, gastric prolapse and other diseases. In addition, if the diarrhea feels wind, cold, dampness, etc., it is also to a large extent will cause damage to its body, such as chills in the small abdomen, joint pain, headache, etc. Therefore, it is better to find the cause of diarrhea as soon as possible and treat it as soon as possible to avoid deficiency of qi and blood, lack of yang qi, and sinking of middle qi.