Children’s babbling when fever, is fever or central nervous system infection caused by children’s fuzzy consciousness, so that the children appeared babbling phenomenon. 1. caused by fever: fever, located in the hypothalamus thermoregulation center abnormalities, may make the brain’s neurological function disorders, which leads to children appear fuzzy consciousness, in general, caused by children’s fuzzy consciousness is basically high fever, that is, the body temperature is greater than 39.0 degrees Celsius, but in general, with the recovery of the body temperature, the fuzzy consciousness of the situation will gradually improve, and will not damage the brain. 2. Central nervous system infections: when suffering from central nervous system infections, in causing fever at the same time, may also damage the nervous system, causing abnormalities in the function of the nervous system, so that the child appeared to be blurred consciousness, babbling phenomenon, such as bacterial meningitis, viral encephalitis and other diseases. Children’s fever babbling, there may also be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.