The reasons why the back of the baby’s head is hot and the forehead is not hot include: physiological reasons, skin inflammation, fever, etc.. 1. Physiological reasons: often due to the back of the neck in contact with clothing, sleeping for a long time in contact with the pillow, uneven heat dissipation leads to higher temperatures in the back of the head, the forehead part of the temperature is normal, is a normal phenomenon, without special intervention. 2. Skin inflammation: If the back of the head local skin infection, may lead to high local skin temperature, accompanied by pain, redness, swelling, itching. 3. Fever: when the baby has a fever, due to uneven local heat dissipation resulting in different skin temperatures, the need to use a thermometer to monitor the body temperature, appropriate reduction of clothing, lower room temperature to help dissipate heat. The back of the baby’s head is hot forehead is not hot may also have other causes, 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.