Heating device having scald-proofing function, low-temperature smoking set as well as control method and control method thereof

The invention discloses a heating device having a scald-proofing function, a low-temperature smoking set as well as a control system and a control method thereof. The heating device comprises a heating cavity for mounting a heating component and a smoke generating material; an expansion structure is arranged at the outer side of the heating cavity; the expansion structure has an expanded state anda closed state; the heating device is arranged on a shell, so that the low-temperature smoking set is formed; the low-temperature smoking set is provided with a control system which is composed of aswitch, a controller, a first triggering device and a second triggering device; and the heating component can be controlled to get started by turning on or off and/or transmitting signals to the controller from the first triggering device and the second triggering device. According to the device, by arranging the expansion structure on the shell of the smoking set, a problem of hand scalding in aheating area can be prevent