A chondroma on the knee usually requires surgery. Chondroma is a benign tumor, which usually manifests clinically as a lump, pain, joint deformity, pathological fracture and other symptoms. A chondroma on the knee usually requires surgical treatment. The prognosis of chondrosarcoma is generally good, and the disease can usually be cured after active and correct treatment. If not treated early, chondroma may cause bone deformity, affecting the patient’s quality of life, and at the same time, the disease may become cancerous. Patients with a chondroma on the knee need to pay attention to it, should go to the hospital in time, avoid strenuous exercise, appropriate activities under the instructions of the doctor, but also listen to the doctor’s advice as early as possible for treatment, so as not to affect the health of the body and aggravate the development of the disease.