The soreness of the knee after playing football can be treated by manipulation, local physiotherapy, and medication, as follows: 1, manipulation: keep the patient in a supine position, with a soft pad in the popliteal fossa, and the operator uses manipulation to massage and relax the quadriceps, hamstrings, and triceps, and adjust the tension around the patella, which can significantly relieve the soreness of the knee; 2, local physiotherapy: you can use 3.Medication: Oral non-steroidal anti-inflammatory drugs, such as celecoxib and loxoprofen sodium, can relieve the symptoms of knee pain; 4.Other: Exercise the strength and intensity of the muscles around the knee, and repeatedly stretch the muscles to relax the muscle tension and spasm and increase the muscle strength, which can relieve the symptoms of knee pain. Symptoms, exercise should pay attention to the protection of the knee joint, to avoid sprain of the knee joint.