4-year-old baby night fever daytime cough, may be viral or bacterial infection, can be based on the specific cause of cooling treatment and anti-infection and other symptomatic treatment. 1. cooling treatment: baby night fever, such as body temperature does not exceed 38.5 degrees, you can physical cooling, such as warm water bath, use wet water to wipe the child’s head, armpits, limbs and other parts of the body, to help dissipate heat to play a role in cooling. If the baby’s body temperature exceeds 38.5 degrees, you need to take ibuprofen and other antipyretic drugs to lower the temperature. 2. anti-infection treatment: baby fever and cough may be caused by viral infections, can take antiviral oral solution and other drugs to relieve, such as the existence of bacterial infections, can take amoxicillin and other antibiotic treatment. Cough phlegm is not easy to cough out, you can also give the child to take aminobromine and other phlegm drugs to dilute phlegm to alleviate the symptoms. 4-year-old baby night fever daytime cough may also have other reasons, it is recommended to go to the hospital in time to improve the examination to clarify the cause of the disease, give targeted treatment or treatment.