The treatment of suprapatellar free body mainly includes conservative treatment, surgical treatment and so on. 1. Conservative treatment: most of the free body is caused by trauma, osteophytes, etc. If the free body is small and there is no obvious pain and joint interlocking, conservative treatment is usually adopted. For example, reduce knee activities, wear knee pads, etc., while taking non-steroidal anti-inflammatory drugs (such as celecoxib). Sodium vitrate can also be injected to lubricate the joint, thus relieving pain and limitation of movement. 2. Surgery: If the free body is more or larger in size, it can lead to severe pain or obvious limitation of activities, and the degree of damage to the knee joint is large enough to require surgical treatment, and arthroscopic minimally invasive surgery can be chosen to remove the free body above the patella in order to restore the function of the knee joint. In the presence of suprapatellar free body, should be standardized treatment under the guidance of the doctor, so as not to delay the condition. In addition, the above drugs should also be used under the guidance of a doctor.