Wild broad bean root is not harmful to fish. The wild bean root is a plant, herbivorous, edible and mostly used for medicine. Efficacy and functions of wild broad bean root: clearing away heat and detoxifying, reducing swelling and relieving pain. Mainly used to treat Japanese encephalitis, sore throat, pneumonia, and snake bites. Red-rooted broad bean, also known as slippery broad bean, large-flowered flax grass, small red medicine, etc., is the whole plant of red-rooted broad bean of the Scrophulariaceae family. It is used to disperse blood stasis and stop bleeding, reduce swelling and pain, and hemoptysis.