A LED infrared ray irradiator comprising an upper plate, a lower plate having a space for a user to lie down, a poly carbonate board disposed on an upper surface of the lower plate and having a size that can accommodate an entire body of the user, a handle part, a head part, a cover part, an oxygen generator, and a control unit attached to an upper side of the upper plate, further comprising a power source of the lower plate consisting of a chamber power source unit, a lower plate LED power source unit and a far-infrared heating element, and a power source of the upper plate consisting of an upper plate LED power source, an upper plate UVC LED power source, and a far-infrared heating element, and wherein a material of the upper and lower plates is ABS resin, and the upper and lower plates consist of double walls wherein: an eco-friendly foamed graphite insulation material is built in the middle of the wall between the upper and lower plates; the lower plate includes a bracket, a lower body part, a pillow for placing the user's head, a storage stand for placing a water cup, a mobile phone storage stand, a shock absorber, a sweat outlet, a hinge, a moving wheel, and a space into which an injection line that supplies a fluid can enter when the user receives an IV injection; the control unit includes a power source unit, an operating mode control unit, a sensor unit, a timer unit, an alarm sound generator, a chamber opening/closing unit, a display driving unit, a ventilation unit, an information processing unit and a memory unit; the power source unit includes the chamber power source unit 112, the lower plate LED power source unit, the upper plate LED power source unit, the upper plate UVC LED power source unit, and the far-infrared heating element; the sensor unit includes a temperature sensor, a humidity sensor, and a human body detection sensor for detecting whether a user is inside the chamber; the lower plate LED power source unit consists of an A-type LED unit in which several 600 nm visible light LEDs are arranged, and a B-type LED unit in which 810 nm LEDs, 940 nm LEDs, and 1,200 nm LEDs are mixed and arranged; the lower plate LED power source unit converts AC 120-220V into 12V direct current using an AC/DC converter and supplies it, and controls the power of the A-type LED unit and the B-type LED unit, respectively; the upper plate LED power source unit consists of an A-type LED unit in which several 600 nm visible light LEDs are arranged, a B-type LED unit in which 810 nm LEDs, 940 nm LEDs and 1,200 nm LEDs are mixed and arranged and an ultraviolet UVC LED, wherein a number of the A-type LED units is 4 to 8, a number of the B-type LED units is 4 to 8, and a number of the ultraviolet UVC LEDs is 2 to 3; and the upper plate LED power source unit converts AC 120/220V into 12V direct current using the AC/DC converter to supply power to the A-type LED unit and B-type LED unit, respectively and converts AC 120/220V into 48V direct current using an AC/DC converter, supplies it to two ultraviolet UVC LEDs and controls them respectively. the lower plate includes a bracket, a lower body part, a pillow for placing the user's head, a storage stand for placing a water cup, a mobile phone storage stand, a shock absorber, a sweat outlet, a hinge, a moving wheel, and a space into which an injection line that supplies a fluid can enter when the user receives an IV injection; the control unit includes a power source unit, an operating mode control unit, a sensor unit, a timer unit, an alarm sound generator, a chamber opening/closing unit, a display driving unit, a ventilation unit, an information processing unit and a memory unit; the power source unit includes the chamber power source unit 112, the lower plate LED power source unit, the upper plate LED power source unit, the upper plate UVC LED power source unit, and the far-infrared heating element; the sensor unit includes a temperature sensor, a humidity sensor, and a human body detection sensor for detecting whether a user is inside the chamber; the lower plate LED power source unit consists of an A-type LED unit in which several 600 nm visible light LEDs are arranged, and a B-type LED unit in which 810 nm LEDs, 940 nm LEDs, and 1,200 nm LEDs are mixed and arranged; the lower plate LED power source unit converts AC 120-220V into 12V direct current using an AC/DC converter and supplies it, and controls the power of the A-type LED unit and the B-type LED unit, respectively; the upper plate LED power source unit consists of an A-type LED unit in which several 600 nm visible light LEDs are arranged, a B-type LED unit in which 810 nm LEDs, 940 nm LEDs and 1,200 nm LEDs are mixed and arranged and an ultraviolet UVC LED, wherein a number of the A-type LED units is 4 to 8, a number of the B-type LED units is 4 to 8, and a number of the ultraviolet UVC LEDs is 2 to 3; and the upper plate LED power source unit converts AC 120/220V into 12V direct current using the AC/DC converter to supply power to the A-type LED unit and B-type LED unit, respectively and converts AC 120/220V into 48V direct current using an AC/DC converter, supplies it to two ultraviolet UVC LEDs and controls them respectively.