Knee joint soreness may be caused by physiological factors such as excessive exercise, or it may be caused by pathological factors such as knee joint effusion, varicose veins of the lower limbs, soft tissue injury, etc. Depending on the condition, physical therapy, medication and surgery may be chosen for treatment. 1. Physiological factors: Excessive exercise, weight bearing and other factors can lead to the strain of the knee joint, the body produces excessive metabolic products, lactic acid buildup, which can cause a feeling of soreness and swelling of the knee joint, which can be relieved after sufficient rest. 2. Knee joint effusion: Knee joint trauma or knee joint inflammation can lead to joint effusion, soreness and swelling symptoms, can be hot compresses, ultra-short wave, magnetic therapy and other physical therapy, as well as glucocorticoids and other medications, excessive effusion can also be puncture fluid extraction. 3. Varicose veins of the lower limbs: varicose veins of the lower limbs can lead to soreness and swelling of the knee joints and other parts of the body. Rivaroxaban, low molecular heparin and other medications can be given, and when the condition is serious, surgical treatments such as ligation of the veins with stripping can be carried out. 4. Soft tissue injury: long-term climbing and other sports can lead to soft tissue injury around the knee joint, knee joint soreness and swelling and other conditions, can be hot compresses and other physical therapy, but also can be applied to diclofenac diethylamine latex and other topical medications to alleviate the symptoms. There may be other reasons for knee joint soreness, so it is recommended that the patient go to the hospital in time to clarify the cause of the disease and then carry out targeted treatment. All of the above drugs should be used under the guidance of a physician, and should not be used without authorization.