Knee cartilage regeneration is poor, and recovery can usually be achieved in more than 1~3 months after standardized treatment. Knee cartilage regeneration is hyaline cartilage with high differentiation and poor regeneration ability. It is necessary to take medication or surgery under the guidance of the doctor to accelerate the speed of cartilage regeneration. Common medications include painkillers such as ibuprofen and celecoxib, or joint injections of sodium vitrate to relieve pain, and oral glucosamine capsules and other medications to protect the cartilage, which can mostly be recovered in about 1 month. If the cartilage damage is serious, surgical treatment is needed, such as arthroplasty, etc., and recovery is usually possible in about 3 months. Patients with knee cartilage re-injury should avoid heavy physical labor, and if they feel unwell, it is recommended that they consult a doctor in time to clarify the cause of the disease and target treatment and treatment. The use of medication should be in accordance with medical advice.