The efficacy and function of Tennant and Bilberry are different. Such as Tiannanxing has the efficacy of dispersing knots and swelling, can be used for carbuncle, snake and insect bites; and bile for the system of Tiannanxing and then add cow, sheep or pig bile processed into, have the effect of clearing heat and phlegm, can be used for the treatment of phlegm-heat cough. 1. TENNANSING: Here mostly refers to raw TENNANSING. Its flavor is bitter, pungent, warm, poisonous, with the efficacy of dispersal of swelling, can be powdered to vinegar or wine dressing on the affected area, external treatment of carbuncle, snake bites, raw Tennyson is generally not taken internally, pregnant women should be used with caution. 2. Bilious: fine powder for the system of Tennant and cattle, sheep or pig bile processed, or raw Tennant fine powder and cattle, sheep or pig bile processed by fermentation. Its taste is bitter, slightly pungent, cool in nature, with the efficacy of clearing away heat and resolving phlegm, resting the wind and settling the alarm, can be used for phlegm-heat cough, phlegm yellow and thick, stroke phlegm, epilepsy, seizure and epilepsy and other symptoms of the treatment. It is important to note that Tennant is toxic, so its use must be under the guidance of a physician, not blindly take orally or externally Tennant.