Tongcao and Wang Buliuxing are both used in water decoction, usually soak the herbs for 30~60 minutes, then boil them twice, the second addition of water is 1/3~1/2 of the first one, and the two decoctions are mixed and then divided into 2~3 times. The efficacy of boiling water with only two medicines is not as good as combining them, so it is recommended to use the medicine after diagnosis and identification by a physician. Tongcao is a water-inducing and dampness-expelling (promoting the flow of water to dispel dampness) medicine, slightly cold in nature, sweet and light in flavor, and belongs to the lung and stomach meridians. It is used for clearing away heat and inducing diuresis, promoting circulation of qi and lowering breast milk. It is suitable for symptoms such as dribbling and astringent pain in urine caused by dampness-heat, edema with little urination, and post-partum breast milk disorders. Note that pregnant women should not be used with caution. Wang Bu Liuxing, belongs to the class of medicines that invigorate blood circulation and eliminate blood stasis (promoting blood circulation and eliminating blood stasis in the body), is flat in nature, bitter in taste, and belongs to the liver and stomach meridians. Wang Bu Liuhang is used to promote blood circulation and menstruation, reduce breast milk and swelling, diuretic and diuretic, and can be used for symptoms such as cessation of menstruation due to blood stasis, dysmenorrhea, dyspareunia, post-partum breast milk dyspareunia, redness, swelling and heat pain in the breast, and dysuria and astringent pain in the urine. Note that pregnant women should use with caution. When discomfort occurs, it should consult a doctor in time and choose medication under the doctor’s guidance, not self-medication.