Young people’s knee pain for no reason is mostly related to excessive exercise, cold, osteoarthritis and other factors, you can choose to deal with appropriate rest, physical therapy, oral medication and other ways. 1. Excessive exercise: For exercise-induced knee pain, you need to avoid excessive exercise and activities to prevent damage to the soft tissues around the knee, and at the same time try to rest as much as possible, which can effectively relieve or eliminate the symptoms of knee pain. 2. Cold: For knee pain caused by cold, you can choose hot compress or microwave physiotherapy to relieve the pain. 3. Osteoarthritis: Osteoarthritis can be prescribed oral anti-inflammatory and analgesic drugs, such as celecoxib capsules, meloxicam tablets, etc., which can effectively relieve knee pain. There are many reasons why young people have knee pain, so they should consult a doctor in time to avoid delaying the treatment.