The fever in babies with colds usually goes down in two to three days, but because each child’s resistance is different, the duration can be long or short. When baby has fever, must be treated correctly, if the temperature is below 38.5 ℃, let the baby drink more water, you can drink a small number of times, you can add some honey, boil some pear water, apple water, as long as the child loves to drink it. And physical cooling, warm water bath on the line, or warm water bath. You can also reduce the fever with fever patches. When the body temperature exceeds 38.5℃, oral medication is needed. Merlin is still effective in reducing fever. If fever is frequent, it can be repeated after an interval of four to six hours, no more than four times a day. Fever is usually accompanied by other symptoms, such as cough, sore throat, runny nose, etc. If the fever is simple, the fever will go down in two to three days. If the fever is repeated, it may be caused by viral infection or bacterial infection, so you need to add anti-viral or anti-bacterial infection drugs, and pay attention to keep the indoor air circulation. There is a process of fever, and it is also the time to strengthen the resistance, if it is a viral infection, even if you do not take medicine, you can recover in a week.