A novel intelligent numerical-control constant-temperature bath device comprises an output water temperature display device and an automatic water temperature return device, wherein an actually-measured temperature display screen and an on-off key are wirelessly communicated with an integrated circuit board which is connected with a temperature sensor and the temperature sensor is disposed in a main water storage cavity and used for detecting temperature; an automatic water temperature tracking and adjusting device, wherein water temperature adjusting keys are wirelessly communicated with the integrated circuit board which is connected with motors, the motors are connected with a gear drive component which is rotatably connected with a constant temperature valve spool which rotates, an electronic positioning unit is used for sensing and adjusting water temperature to the set temperature, and the water temperature is displaced on the display screen; a mixed water flow adjusting and switching device, wherein the on-off key and flow adjusting keys are wirelessly communicated with the integrated circuit board which is connected with the motors, the motor are connected with the gear drive component which rotates, the gear drive component is connected with a flow valve spool which rotates, the other electronic positioning unit is used for sensing and adjusting water flow to the set flow and the switching position, the water flow and the switching position are displayed on a display panel of a remote controller, and a mark of output water volume is displayed on the display screen immediately. The novel intelligent numerical-control constant-temperature bath device has a memory function.