The patella can be strengthened in the following ways: 1, practice cycling, the main role of the patella is to extend the knee and protect the knee joint at the same time, when strengthening the patella exercise can be repeatedly extended and flexed by cycling to improve the function of the knee joint and strengthen the patella. 2, squatting activities, usually you can practice squatting activities to improve the function of the knee patella, strengthen the patella, at the same time can be more Physical therapy and massage can be performed at rest to improve the adhesion of the surrounding tissues and promote functional recovery. 4. Swimming exercises can be performed, as the joint does not bear weight in the water but does not affect flexion and extension activities, which will not lead to further wear of the joint while exercising the knee joint. No matter which exercise is to be gradual, gradually improve the function, will not be able to completely improve once, exercise is a long-term chronic process.