Normal people can eat porcupine dates. Porcupine jujube can tonify middle energizer, invigorate qi, clear away heat and toxic materials, and cool blood. It can not only relieve symptoms such as sore throat and sores on mouth and tongue, but also has a certain auxiliary treatment effect on limb weakness caused by insufficient middle energizer. Porcupine jujube is a precious medicinal material, which is taken from the stomach of porcupine and dried. The porcupine jujube was formed because the injured or sick porcupine went to look for herbs. After being digested in the porcupine, the herbs are mixed with its detoxification antibody to produce a secretion, which dissolves the virus in the porcupine and makes it recover quickly. However, some secretions still remaining in the porcupine body accumulate over time to form stone-like things, which are called porcupine dates. Porcupine jujube is a kind of stone-like thing in porcupines, which has been used and recognized by the people for a long time.