PROBLEM TO BE SOLVED : the temperature of the spot size of a card is understood, tends to become dangerous stroke can be determined, and the prevention of the symptoms of heat stroke stroke stroke ??point when a stroke preventing the action described, emergency medical information card. SOLUTION : liquid crystal thermometer is incorporated, as a countermeasure for preventing heat stroke and on the surface of a standard liquid crystal thermometer temp. danger region corresponding to the color of the location on the card by numerals. A folded type 2 is increased by the amount of information, the information on the rear ?medical health information. 2 when the part is folded by gluing immediate emergency personnel considering privacy information can be transferred. Selected drawing : fig. 1