The auxiliary effect of Guan 'ai knee brace is quite good, which can help them recover to a better state within a period of time after use, and at the same time, it can lock the angle, and the design is very humanized. Guan 'ai knee brace has a very good protective effect when sliding on snowy roads. Even if the patella is dislocated, it can ensure freedom of movement after wearing it, and the pain is obviously alleviated. In terms of price, the price of Guan 'ai knee brace is between 2 yuan and 78 yuan, which is relatively close to the people compared with other similar products. However, everyone's physical condition and rehabilitation needs are different, so it is best to choose knee brace under the guidance of a doctor.