Bear bile powder can be taken internally, usually into the pill, powder, but the product has a fishy and bitter taste, oral easy to cause vomiting, so it is recommended to use capsules. Externally, it can be applied to the affected area by grinding or applying with water. Bear bile powder was first published in the Treatise on Medicinal Properties. It is bitter and cold, good at clearing away heat and detoxification (removing heat and toxins from the body) and is often used in treating heat-poisoned sores and carbuncles (sores and carbuncles appearing on the surface of the skin due to excessive heat and toxins in the body), hemorrhoids, and sore throats. This product mainly enters the liver meridian, has the effect of cooling the liver and relieving wind to stop spasm, applicable to the extreme heat generates wind (the accumulation of heat too much will cause wind), epilepsy and convulsions, can be used alone. Powdered bear bile has the effect of clearing the liver and brightening the eyes (clearing liver fire to promote vision restoration), and is suitable for eye redness and swelling due to inflammation of liver fire, photophobia and tearing, and cataracts of the eyes, etc. It can be used together with Gentian grass, Zedoary, Cassia seed, and so on. Adverse reactions to bear bile powder for individual patients taking bear bile powder will appear skin itching, mild diarrhea, etc., can disappear after stopping the drug. Pregnant women and people with cold spleen and stomach (spleen and stomach weakness and cold) should not take. Drugs must be used under the guidance of a doctor, do not blindly self-medication.