Older people who have leg pain and knee pain can take the following types of medicines: first, if knee pain and calf pain caused by knee trauma, usually need to orally take Chinese medicines to activate the meridians and collaterals, such as CaoWuMeiSu tablets, PiQi capsule, HULiShan capsule, and PangLongQi tablets, etc. Such medicines can eliminate the swelling of the joints and legs, promote blood circulation, and alleviate the symptoms of pain, and need to be taken for 2-4 weeks. Secondly, if the leg pain and knee pain are caused by degenerative osteoarthritis, it is necessary to take oral non-steroidal anti-inflammatory drugs, such as Loxoprofen Sodium, Celecoxib, and Ankang Xin, etc. These drugs can inhibit the synthesis of prostaglandins, so as to make the inflammatory reaction of the joints subside, and alleviate the joint pain and leg pain. In addition to oral medication, elderly patients need to limit the amount of activity, appropriate rest, and with leg muscle exercise.