Difficulty in the legs and arms means that the patient is experiencing discomfort, and there are many other symptoms of this discomfort, such as numbness, soreness and pain. If similar symptoms occur, it can be considered to be due to cold. The easiest and quickest way to relieve symptoms is to use hot towels, warm water bags, and hot water baths. The symptoms can be relieved by applying the above therapies to the uncomfortable parts of the body for 40 minutes a day, and the patient should pay attention to keeping warm in daily life. If the above treatments are not effective, it is necessary to determine the cause of the discomfort. For example, patients with rheumatoid arthritis may experience generalized joint pain, and joint deformation may occur when the symptoms worsen, which requires further testing in the hospital to confirm the diagnosis.