It is Toosendan Fructus, bitter and cold in nature, with little toxicity. Entering the liver and stomach meridians, it has the effects of promoting qi circulation, relieving pain, killing insects and treating tinea. The product has the effects of clearing liver-fire and purging fire, promoting qi circulation and relieving pain. It is often used with Yuanhutong to treat chest pain and costal pain. Combined with Rhizoma Corydalis, this product can also treat liver and stomach qi stagnation pain. Toosendan seed is bitter and cold, toxic, can repel insects, and bitter can relieve exterior symptoms, so it can promote qi circulation and relieve pain, so it can treat abdominal pain caused by ascaris. It is often used with gentleman and betel nut. Toosendan Fructus can clear away heat, eliminate dampness, kill insects and treat tinea. This product can be baked, ground into powder, blended and smeared. Toosendan seeds are bitter and cold, which can clear away heat and treat dirty and toxic blood. Modern pharmacological research shows that this product also has inhibitory effect on 13 pathogenic fungi.