If the knee is popping, it can be treated temporarily, or surgically or by injection, as follows: 1. temporarily: if there is no obvious pain and joint interlocking symptoms, it is generally not necessary to treat. 2. surgically or by injection: if the knee is popping, accompanied by obvious pain, or if there is joint interlocking, that is, the joint is suddenly stuck, resulting in the inability to In this case, an MRI should be performed. It is recommended that arthroscopic meniscus suture surgery or meniscoplasty be performed to relieve the symptoms of interlocking joints, avoid secondary cartilage damage, and slow the rate of joint degeneration. In addition, sodium glacial injection can be used as an adjunctive treatment to reduce the friction of the joint and ease the wear and tear of the joint.