The treatment of knee pain with one foot bouncing down from a height can be based on different causes to choose the appropriate treatment, common causes are muscle strain, meniscus injury, fracture, etc. The treatment includes general treatment, physical therapy, medication, surgical treatment, and so on. 1. Muscle strain: Rest immediately and treat with cold compresses to reduce swelling and pain; take non-steroidal drugs such as ibuprofen orally for obvious pain. 2. Meniscus injury: avoid activity, knee brace fixation, ice as soon as possible, gauze pressure bandage. When the pain is obvious, take diclofenac sodium orally, etc. When the pain is serious, surgical treatment. 3. Fracture: Brake the affected area, choose external fixation treatment if there is no displacement, and use surgery if the displacement is obvious. If a foot jumped down from a high place knee pain, there may be other reasons, it is recommended to go to the hospital in a timely manner to improve the examination, to clarify the cause of the disease, under the guidance of the doctor for standardized treatment. The use of the above drugs need to follow the doctor’s instructions.