The side effects of drinking Tongcao in the month of birth are not clear, Tongcao has the effect of promoting the flow of qi and lactation, and can treat postpartum breast milk, no milk, lactation and other conditions, should be used in accordance with medical advice. It is sweet, light, slightly cold in nature, and belongs to the lung and stomach meridians, with the effect of clearing heat and diuretic, and promoting the flow of qi to lower the breast. This product is suitable for postpartum milk, no milk, milk, often with astragalus, angelica, LuLuTong, and so on. In addition, this product can be used for treating heat drenching (burning and stinging pain during urination, accompanied by frequent urination and urgency, and discomfort of traction in the abdomen) of urinary dysuria (unsmooth urination), gonorrhea and astringency, and is often used with talcum stone, shi wei, and dong quai zi; it can be used for treating oedema caused by the stagnation of water-dampness and urinary dysuria, and is often used with hogelia, dirndlung, musk, and so on. Pregnant women should use this product with caution. After the appearance of discomfort should promptly seek medical treatment, under the guidance of the physician’s identification and selection of medication, not self-medication, so as not to delay the condition.