PURPOSE: To appropriately set the distance, height and angle with respect to a bathing person and to apply warm heat required by the bathing person, by mounting an infrared ray radiator to one end of a flexible arm in a free state.

CONSTITUTION: A columnar box 4 receiving a power supply 1, a flexible arm 2 and an infrared ray radiator 3 is provided and one end of the flexible arm 2 is fixed to the box and the infrared ray radiator 3 is mounted to the other end of the flexible arm through a free metal fitting 5 and a radiator heater is connected to the power supply by a cord 6 arranged along the flexible arm. When an infrared bath is taken, the flexible arm is taken out from the columnar receiving box and the height, distance and angle of the radiator are appropriately selected in matching relation to a bathing person before use.