A multifunctional massage joint protector, comprising an elastic piece body, a palm-shaped and a low-frequency massage part. The elastic piece body is used for coating and fixed on a human joint, the palm-shaped coating part coats the periphery of the human joint, and the low-frequency massage part is adjacent to the palm-shaped coating part and arranged on the elastic piece body. The joint protector, on one hand, uses the palm shape of the palm-shaped coating part to locate the human joint, in order to avoid the problem of shifting of the protector due to detachment when the human joint moves, and uses the low-frequency massage part to enhance the effect of the kneading and massaging, and on the other hand, coats the human joint by means of the palm-shaped coating part and the massage possesses a tactile sensation, thereby improving the use value of the protector.