Bear bile can be frozen in the refrigerator for three to five years. Bear gall is the gall bladder of Xiong Ke animal black bear or brown bear. Chinese medicine experts have confirmed that the real natural bear bile has no shelf life, and can be preserved forever and will never deteriorate. This situation only exists when the bear bile is in a sealed state. After unsealing, bear bile will also deteriorate, the most obvious deterioration is caking and damp. After these situations, the efficacy of bear bile will be greatly reduced. Bear bile never goes bad, this is for real bear bile. Today, with special attention paid to wildlife protection, bear bile sold in the market is mostly fake or some biological substitutes. These bear bile mixed with starch will not have a long shelf life at all.