Colds are more common in respiratory infections caused by colds or viral infections, accompanied by symptoms such as runny nose and cough. However, in the heating process, braised pork and stew will be oxidized into oxidized lipids, which will accumulate in blood vessels or other organs and accelerate human aging. People who catch a cold have poor resistance and are difficult to digest. Braised pork and braised vegetables are greasy. For people with respiratory infection and cough, eating braised vegetables at this time is not good for their health.