Zihuadidin is a kind of Chinese herbal medicine, is the whole grass of Corydalis plant Zihuadidin, taste bitter, pungent, cold, attributed to the heart, liver meridian, has the efficacy of clearing away heat and detoxification, cooling the blood and eliminating swelling. This product is bitter and pungent, cold can clear heat, into the heart and liver blood, so it can clear heat and detoxification, cool the blood to eliminate swelling, eliminate carbuncle knot, for the treatment of blood-heat congestion, carbuncles, swollen sores, redness, swelling and hot pain of the commonly used medicines, especially good at the treatment of furuncles (a skin disease, refers to the degree of serious furuncles). In addition, this product can also be used to treat poisonous snake bites, liver-heat, eye redness, swelling and pain, and exogenous fever. It should not be used by people with cold spleen and stomach. When discomfort occurs, it is necessary to consult a doctor in time and choose medication under the guidance of physician’s diagnosis, and not to use medication on one’s own to avoid delaying the condition.