The efficacy of Tongcao is mainly to clear heat and diuresis, lower the qi and promote breastfeeding, from its effect we can deduce that it is mainly to treat some diseases such as edema and low urine, which is related to our western medicine, such as some edema caused by glomerulonephritis, or some lower limb edema caused by poor venous circulation of the lower limbs, then at this time in our prescriptions for patients, this Tongcao The use of this herb can be used, because it also has a greater use, is that the maternal lactation, because that part of the maternal, is just after the birth of a child, her milk can not flow very smoothly, so we can in this, with some of the dietary treatment, and even some dietary treatment can achieve a lactation effect. For example, the pig’s feet, stewed pig’s feet, put about 6g of Tongcao, plus a small amount of Angelica, these two medicines together, or even a small amount of 10g of Wang Bu Liuxiang, you can achieve the role of lactation to promote breast milk.