Intracranial mild hypothcrmia protecting device

The invention relates to an intracranial mild hypothcrmia protecting device. The device is composed of an upper plug and a lower plug, wherein a cooling liquid circulating pipe is arranged between theupper plug and the lower plug. The upper plug and the lower plug are both expandable bodies, and the device is also provided with an upper plug overflowing pipe and a lower plug overflowing pipe; theupper plug overflowing pipe is connected with the upper plug and fills the upper plug with a filler; the lower plug overflowing pipe is connected with the lower plug and fills the lower plug with a filler; a liquid food pipe penetrating through the upper plug and the lower plug separately is arranged. The intracranial mild hypothcrmia protecting device is placed in the esophagus of a patient, bycooling the inner portion of the esophagus, the neck of the human body is generally in a low temperature state, thereby cooling the main artery of the neck of the human body; after the main artery ofthe neck of the human body i