A touch hair drier, comprising: a housing supporting a power device and a heating device; and a touch handle connecting the housing; wherein, the power device and the heating device are successively arranged from the inlet of the housing to the outlet of the housing, the power device and the heating device are powered by a circuit which is connected to a power supply, and the circuit is provided with a control switch element configured to control the operation of the power device and the heating device; and the touch handle is provided with a control unit configured to control the on-off of the control switch element, and the touch handle is provided with a collecting unit for outputting touch signals to the control unit, wherein the control unit is composed of integrated circuit boards, and the control switch element is composed of a silicon-controlled rectifier or a relay; a signal output end of the integrated circuit boards is connected to a signal input end of the silicon-controlled rectifier or relay; and a current input end of the silicon-controlled rectifier or relay is connected to the circuit, and the current output end of the silicon-controlled rectifier or relay is connected to the power device and the heating device; and the touch hair drier being characterized in that the collecting unit comprises a sensor housing forming the inner side of the touch handle and several sensor springs of which two ends respectively connect the sensor housing and the integrated circuit boards, the sensor springs being arranged in equal intervals along the long direction of the touch handle; and the connecting portion between each sensor spring and the integrated circuit boards is provided with an analog-to-digital converter, and the analog-to-digital converter is connected to the signal input end of the integrated circuit. a housing supporting a power device and a heating device; and a touch handle connecting the housing; wherein, the power device and the heating device are successively arranged from the inlet of the housing to the outlet of the housing, the power device and the heating device are powered by a circuit which is connected to a power supply, and the circuit is provided with a control switch element configured to control the operation of the power device and the heating device; and the touch handle is provided with a control unit configured to control the on-off of the control switch element, and the touch handle is provided with a collecting unit for outputting touch signals to the control unit, wherein the control unit is composed of integrated circuit boards, and the control switch element is composed of a silicon-controlled rectifier or a relay; a signal output end of the integrated circuit boards is connected to a signal input end of the silicon-controlled rectifier or relay; and a current input end of the silicon-controlled rectifier or relay is connected to the circuit, and the current output end of the silicon-controlled rectifier or relay is connected to the power device and the heating device; and the touch hair drier being characterized in that the collecting unit comprises a sensor housing forming the inner side of the touch handle and several sensor springs of which two ends respectively connect the sensor housing and the integrated circuit boards, the sensor springs being arranged in equal intervals along the long direction of the touch handle; and the connecting portion between each sensor spring and the integrated circuit boards is provided with an analog-to-digital converter, and the analog-to-digital converter is connected to the signal input end of the integrated circuit.