If a young child has a low fever, parents can deal with it in the following ways: 1. Give the child a proper amount of warm water, suitable for low fever is caused by acute upper respiratory tract infection. Because acute upper respiratory tract infections are often caused by viral infections, the chances of this are more than 90%. The treatment of the virus is no special medicine, only to the child symptomatic treatment, appropriate to drink more warm water, can promote the child’s blood circulation, help the virus to subside. This is very common, parents do not need to worry too much. 2, timely etiology and treatment, although the child has a low fever, but the mental state is poor, eating milk is not good, parents should promptly take the child for blood tests or targeted auscultation. If the child’s low fever is caused by pneumonia, timely treatment of pneumonia should be carried out, such as the application of cephalosporin or nebulized inhalation treatment.