Tong Cao has the effect of promoting lactation, usually the amount of milk can be increased in 1-2 days after taking it, and a better effect of promoting lactation can be achieved in 3-5 days. Tongcao is a commonly used traditional Chinese medicine, which has the effect of inducing diuresis, promoting menstruation and breastfeeding, and inducing dampness and removing paralysis. Tongcao can be used for the treatment of lactation, which can be put into other ingredients and stewed to make a medicinal meal to be taken orally. For example, in the stewed pig’s trotters soup, crucian carp tofu soup, yellow ox nose soup and other breast milk soup by adding the appropriate amount of Tongcao, and together with the stewed meat and drink soup, the soup need to drink more frequent service. If the texture of maternal milk is thin, small amount of protein is insufficient, in addition to the joint use of Tongzhi to lower breast milk, but also need to strengthen maternal nutritional supplementation, increase protein intake. In addition, the application of Tongzhi is recommended to be carried out reasonably under the guidance of a doctor, and pregnant women should avoid the application of Tongzhi, so as to avoid adverse effects on the pregnant woman and the fetus.