An electronic cigarette case with a thermometer comprises a case body for accommodating at least one electronic cigarette. The case body further comprises a thermometer device disposed therein. The thermometer device comprises a thermometry unit, a display unit and a circuit processing unit. The thermometry unit detects temperatures of articles to be tested or media to be tested and transmits temperature data to the circuit processing unit for controlling the display unit to display measured temperatures. The thermometry unit comprises a temperature sensor and an electrode piece. The thermometry unit comprises a temperature sensor and an electrode piece. The temperature sensor is disposed at an outside of the case body and is electrically connected with the circuit processing unit via the electrode piece. The electronic cigarette case of the present invention is capable of detecting temperatures of human bodies, other objects or media such as surroundings.