Abstract: The invention is to provide a heat indicator measuring device that is able to appropriately prevent a heat disorder. The heat indicator measuring device includes: a temperature measuring unit 2 that measures a temperature, a humidity measuring unit 3 that measures humidity; a heat index calculation unit 5 that calculates a heat index from the measured temperature and humidity; a user data inputting unit 6B that inputs user data as data regarding a user; a noticed content memorizing unit 20 that memorizes a noticed content including a content to be noticed and indicating preventive measures against a heat disorder corresponding to the heat index and the user data; a noticed content determining unit 21 that determines the noticed content based on the heat index and the user data; noticing units 8 and 9 that notice the determined noticed content; and a supporting unit 11 that supports each of the units.