Heat in the back of baby’s head may be normal, or it may be caused by pathological factors such as fever caused by cold and fever caused by pneumonia. 1. Normal phenomenon: the baby may be sleeping in the supine position for a long time, which will lead to easy sweating in the occipital area, and then the heat dissipation is not good, which will lead to the baby’s back of the head fever, if the temperature of other parts is normal, parents do not need to worry. 2. Fever caused by colds: clinical manifestations of nasal congestion, runny nose, sneezing, coughing, headache, chills, fever, general malaise and other symptoms, so the back of the baby’s head fever may be caused by colds. 3. Pneumonia-induced fever: the main clinical symptoms are fever, chills, coughing, coughing up sputum, which may be accompanied by chest pain, dyspnea, etc. So the fever in the back of the head of infants may be caused by cold. So the baby’s fever may be caused by pneumonia. There may also be other reasons for the baby’s fever, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, give targeted treatment or treatment, under the guidance of the doctor for treatment.