1, Tongcao is sweet and light, slightly cold, belonging to lung meridian and stomach meridian, and has the functions of clearing heat and diuresis, lowering qi and promoting lactation. Usually cut into pieces and boiled in water for 15-20 minutes.

2, medulla tetrapanacis can also reduce blood fat, some middle-aged and elderly people or obese people, young people who like to drink, easy to hyperlipidemia, suitable for eating medulla tetrapanacis, should be taken regularly according to the doctor's advice. Lactose contained in medulla tetrapanacis can maintain normal intestinal flora and promote calcium absorption. Tetrapanacis medullaris is often used to treat urinary stranguria caused by hematuria, namely, astringency, pain and fever, which has the function of clearing away heat and can also be used to treat breast milk retention. It is more difficult to treat postpartum breast retention and lactation when combined with other drugs. Can also be used for treating edema and oliguria. Generally 3-5g. You can also use it when there is little milk. Can be decocted with pig's trotters, pangolin scales and Ligusticum chuanxiong, and has the effect of benefiting qi and promoting lactation.