If patients often have a cold when they swim, it is usually because the immunity in the body is too low, as well as the previous existence of rheumatoid arthritis, rheumatoid arthritis, resulting in cold and wind evil into the body when swimming. First, patients should take drugs that increase immunity, such as Chinese herbal medicine Cordyceps, Rhodiola, Salvia, Ginseng, Scutellaria and Agaricus, all of which are drugs that regulate the immunity of the body. Second, should not immediately after swimming a large number of sports or consuming activities, after swimming should immediately wipe the body of moisture and water, appropriate rest and then bathing and dressing, can properly alleviate the situation of cold after swimming. Third, you should drink more warm water after swimming, pay attention to keep warm and rest more, which can also avoid this situation.