A multifunctional hair treatment device comprising: a handpiece in a shape of a glove, the handpiece having nozzles on fingers thereof; a device body drawing and heating ambient air, thereby creating hot wind; and a blower tube connecting the nozzles of the handpiece to the device body to supply hot wind created in the device body to the nozzles of the handpiece, whereby a user is able to dry and style hair using the handpiece worn on his or her hand, wherein the device body comprises: a blower fan creating wind by drawing ambient air; a heater disposed inward of the blower fan to create hot wind by heating the air drawn in by the blower fan; a blower case accommodating the blower fan and the heater therein, the blower case being connected to the blower tube connected to the handpiece to guide the hot wind created by the blower fan and the heater to the blower tube; and a controller controlling power while adjusting a temperature of the hot wind created by the blower fan and the heater, and an amount of the hot wind to be discharged, wherein the controller comprises: a control module controlling the power of the device body, a number of revolutions of the blower fan, and a temperature of heat generated by the heater; and a control button turning on or off the power of the device body by inputting a control signal to the control module, the control button being used to set the temperature of the hot wind generated by the blower fan and the heater and the amount of the hot wind discharged, characterized in that the handpiece comprises an auxiliary control button connected to the control module of the controller, the auxiliary control button being used to turn on or off power of the device body and to set the temperature of the hot wind generated by the blower fan and the heater and the amount of the hot wind discharged. a handpiece in a shape of a glove, the handpiece having nozzles on fingers thereof; a device body drawing and heating ambient air, thereby creating hot wind; and a blower tube connecting the nozzles of the handpiece to the device body to supply hot wind created in the device body to the nozzles of the handpiece, whereby a user is able to dry and style hair using the handpiece worn on his or her hand, wherein the device body comprises: a blower fan creating wind by drawing ambient air; a heater disposed inward of the blower fan to create hot wind by heating the air drawn in by the blower fan; a blower case accommodating the blower fan and the heater therein, the blower case being connected to the blower tube connected to the handpiece to guide the hot wind created by the blower fan and the heater to the blower tube; and a controller controlling power while adjusting a temperature of the hot wind created by the blower fan and the heater, and an amount of the hot wind to be discharged, a blower fan creating wind by drawing ambient air; a heater disposed inward of the blower fan to create hot wind by heating the air drawn in by the blower fan; a blower case accommodating the blower fan and the heater therein, the blower case being connected to the blower tube connected to the handpiece to guide the hot wind created by the blower fan and the heater to the blower tube; and a controller controlling power while adjusting a temperature of the hot wind created by the blower fan and the heater, and an amount of the hot wind to be discharged, wherein the controller comprises: a control module controlling the power of the device body, a number of revolutions of the blower fan, and a temperature of heat generated by the heater; and a control button turning on or off the power of the device body by inputting a control signal to the control module, the control button being used to set the temperature of the hot wind generated by the blower fan and the heater and the amount of the hot wind discharged, a control module controlling the power of the device body, a number of revolutions of the blower fan, and a temperature of heat generated by the heater; and a control button turning on or off the power of the device body by inputting a control signal to the control module, the control button being used to set the temperature of the hot wind generated by the blower fan and the heater and the amount of the hot wind discharged, characterized in that the handpiece comprises an auxiliary control button connected to the control module of the controller, the auxiliary control button being used to turn on or off power of the device body and to set the temperature of the hot wind generated by the blower fan and the heater and the amount of the hot wind discharged.