Hello: Generally, medicines after being beaten with frost have cooling and clearing properties. For example, mulberry leaves after being beaten with frost are called frost mulberry leaves, which have the effects of clearing the liver, improving eyesight, nourishing yin and moisturizing the lungs; frosting The resulting luffa vine has the effects of clearing away heat, diluting dampness, and unblocking collaterals; licorice is a qi-tonifying medicine in traditional Chinese medicine, and has the effects of resolving phlegm and relieving cough, replenishing qi and nourishing the heart, clearing away heat and detoxifying;