Grandpa Cai, 76, is the “weather forecaster” at home, more accurate than the weather forecast on TV. Whenever the temperature drops or to rain, Grandpa Cai can always know in advance, thanks to his old cold leg, but the price is the knee pain to death, but Grandpa Cai said: “old cold leg is an old disease, the treatment will still hurt, anyway, usually nothing, put up with it will pass! But, is it really okay to put up with it? Is there a way to reduce the pain? Cold leg = weather forecast? The pain in the knee joint, which is aggravated by a drop in temperature or rain, is called “old cold leg”, which from a medical point of view actually refers to osteoarthritis of the knee joint, which can recur once overworked or cold, even after being cured, if preventive care is not done. Is the “weather forecast” that Grandpa Cai is referring to the recurrence of knee osteoarthritis? Knee pain or increased pain whenever the weather changes, such as a drop in temperature or rain, is not necessarily a recurrence of arthritis. There is usually synovial tissue at the joint interval, and the fibroblasts in it are very sensitive, especially to outside temperature and humidity. But experts say that not all arthritis patients happen to have inflammation in the synovial membrane, while other parts of the inflammation does not accurately predict the weather. In addition to timely treatment, some simple measures at home can also be effective in reducing pain. Chai Sheng F said, old cold leg as the name suggests and cold has a close connection, so do a good job of warming work is very important, learn fancy leg warming drive old cold is the most simple and effective way to deal with old cold leg. 1, wear warm knee pads. Whether it is healed knee arthritis or not, it is recommended to wear warm knee pads, for the elderly who have degenerated knee function also has a certain protective effect. 2. Hot towels and water bags. The easiest way to apply heat to knee pain is to use a hot towel or hot water bag on the painful area, but since hot towels get cold quickly in winter, it is recommended to use a hot water bag. 3. Hot compress of medicine bag. For people who have frequent attacks of cold legs, you can use some of the hospital’s special drugs for hot compresses, such as some medicine packs can be bought home and heated, in the hot compress at the same time also in the medication treatment. If it is too much trouble, some hospitals also have some self-heating medicine packs, such as the hospital’s heat can be for, you can buy home as a backup drug, when the joint pain can be removed and used. 4.Appropriate use of heat apparatus. Infrared lamps, energizers and other self-heating health instruments are also good for relieving joint pain. Therefore, for a bad weather onset of cold legs, walking inconvenience for the elderly, can be properly configured.