Neck fever can be seen in the cold caused by fever, generally to the small children to add or subtract clothing preferred to touch the back of the neck, if the temperature is high to consider that the clothes worn thicker, can be appropriate to reduce a little. Then there is the fever, feel the neck hot when you can measure the temperature to determine whether the fever, but also may be caused by overexertion, cervical spine compression of the sympathetic nerves caused by dysfunction. When this happens, you should pay proper attention to rest, rub yourself and do feasible activities for the neck, and you will soon recover. It can also be due to poor blood flow in the neck leading to increased temperature, you can have time to move your neck more, do not have a long time to bow your head, such as working at the desk, you can walk appropriately after working for an hour to prevent the cervical spine to withstand too much pressure and damage.