Fever is particularly common in small children, and it can have a variety of causes, some of which are caused by cold weather colds. Fever can be based on the baby’s physical quality to determine the length of time to reduce fever. 1. baby cold fever this time must pay attention to let him rest in time, but also pay attention to do some less strenuous activities, diet must be especially light, drink more water. 2. usually also give the child to take some heat detoxification drugs, and must identify the cause of fever, targeted medication. 3. In the baby fever can use some physical cooling methods, paste some fever patches or use alcohol to wipe the body method. 4. Fever is a phase, usually 3 days to 5 days when it will slowly turn good. If the fever is caused by germs or bacterial infection, you need to use some antiviral and antibiotic medicines appropriately. 5. The fever will go down faster if it is caused by cold or flu, or longer if it is caused by some serious infection. Tumors or immune diseases will have a long fever course. The above are some information about the number of days of fever in babies, and the duration of the disease will be decided according to his body’s ability to resist the disease.