Most of them are caused by knee joint trauma or chronic strain. You should minimize the activity of your knee joint and don't do aerobic exercise. In view of your current situation, you can take hot compress, massage, sealing and other methods to treat your knee joint, and take Jianli polyamine chondroitin calcium tablets for conditioning, which can protect joint diseases, prolong the service life of joints and reduce joint injuries. It is necessary to raise the lower limbs appropriately and eat more fruits and vegetables.