If there is significant pain below the knee, it is usually seen clinically as patellar tendonitis, the tendon that connects the patella to the tibia. Regular work can lead to chronic strain on the patellar tendon and tibia, resulting in aseptic inflammation. Patellar tendonitis, also known as jumper’s knee, is a painful condition that occurs with frequent activity or jumping, often with significant pressure pain below the knee or in the tibial tuberosity. The treatment of patellar tendonitis must pay attention to reducing the weight bearing and activities of the affected limb, most of them are conservative treatment, you can take oral non-steroidal anti-inflammatory drugs like ibuprofen, celecoxib, aminophenol dihydrocodeine tablets, these drugs have very good anti-inflammatory and analgesic effects. You can also choose local closed injection to achieve the anti-inflammatory and analgesic effects.