Knocking on the knee bone can be treated by general treatment, physical therapy, medication, surgery, rehabilitation exercise and other methods. 1. General treatment: After the knee bone is injured, it is necessary to pay attention to rest and avoid going down to the ground too early. At the same time, you can elevate the affected limb to promote blood return. Eat a balanced diet rich in high quality protein, calcium and vitamins, and eat more vegetables and fruits. 2. Physiotherapy: cold compresses can be applied during the acute injury period and hot compresses can be applied during the recovery period. Physiotherapy can reduce inflammation and relieve swelling and pain. 3. Medication: Anti-inflammatory and pain relieving medications such as diclofenac sodium can be applied to relieve pain. If the swelling is serious, you can also apply anti-swelling drugs, such as sodium heptaphyllum saponin and other treatments. 4. Surgery: If there is a fracture and the fracture displacement is serious, and there are indications for surgery, you can undergo surgical incision and internal fixation treatment. 5. Rehabilitation exercise: after the bone injury, you can carry out rehabilitation exercise, such as quadriceps isometric contraction exercise, straight leg raising exercise, etc., to prevent lower extremity deep vein thrombosis, muscle atrophy and other complications. After the knee bone injury, if the swelling and pain is serious, activity is obviously affected, should go to the hospital in time to improve the imaging examination to determine the condition, and then targeted treatment, the above drugs need to be applied under the guidance of a physician.