Cooling device for emergency treatment

The cooling device comprises a cap body, the cap body is provided with a liquid inlet, a liquid outlet and a plurality of infusion tubes, the two ends of each infusion tube are communicated with the liquid inlet and the liquid outlet respectively, the liquid inlet is communicated with a liquid inlet tube, a control valve is arranged between the liquid inlet tube and the liquid inlet, the liquid outlet is provided with a liquid outlet tube, and the liquid inlet tube is communicated with the liquid outlet tube. The control valve is used for controlling the flow of liquid entering the liquid inlet from the liquid inlet pipe; the cap body is worn on the head of a patient, the liquid inlet pipe is communicated with the cooling liquid storage barrel, cooling liquid is conveyed to the control valve through the liquid inlet pipe, then flows into the liquid inlet through the control valve, flows out of the liquid outlet through the infusion tube and flows into the recycling barrel through the liquid outlet pipe, and t