Coladin patches do not treat colds; their main effect is to lower blood pressure. The treatment of cold and flu includes general treatment, drug treatment and so on. The main ingredient of coladin patch is coladin hydrochloride, clinically, it is generally adapted to hypertensive diseases, and can be used alone or together with other antihypertensive drugs. Therefore, coladin patch can not treat upper respiratory tract infections, and coladin patch belongs to the topical drugs, need to be used under the guidance of doctors. If the patient has a cold, the first general treatment, mainly to appropriate rest, pay attention to warmth and light diet, also need to prohibit smoking and alcohol during the period of illness. If the symptoms of nasal congestion and runny nose are serious, follow the doctor’s instructions to use pseudoephedrine hydrochloride treatment. If the patient’s body temperature exceeds 38.5 ℃, need to take acetaminophen, ibuprofen and so on. In daily life, taking drugs need to strictly follow the doctor’s instructions.