The feet of porcupines have the effects of invigorating the middle energizer, replenishing qi, nourishing blood and enriching blood. Pig's trotters are rich in collagen, which can prevent skin from drying and wrinkling, enhance skin elasticity and toughness, and have special significance for delaying aging and promoting children's growth and development. Porcupine has high medicinal value. Meat, brain, fatty oil, heart, liver, gallbladder, stomach and arrow thorn can all be used as medicine. It has the effects of lowering blood pressure, relieving pain, promoting blood circulation, removing blood stasis, expelling wind and dredging collaterals. It is mainly used for treating stomach, hemorrhoids, malignant ulcer, cardiovascular sclerosis, leukemia, rheumatism and other diseases. The arrow thorn of porcupine not only has medicinal value, but also is a high-grade raw material for making buoys and decorations.