The utility model relates to an intelligent terminal cabinet with air cycle cooling, the intelligent cabinet temperature adjusting device comprises a cabinet body, internal electrical equipment and the air circulation system of being equipped with of cabinet, the external heat exchanger that is equipped with of cabinet, air circulation system includes supply air duct and return air duct, the air inlet of return air duct is located electrical equipment's top, and the gas outlet of return air duct links to each other with heat exchanger's inlet end, the air inlet of supply air duct links to each other with heat exchanger's the end of giving vent to anger, and the gas outlet of supply air duct is located electrical equipment's below. The utility model discloses simple structure, simple to operate can accelerate the conversion of the internal cold and hot air of cabinet at the air circulation system of the internal setting of cabinet, reaches better cooling operation electrical equipment's purpose.