<;P>;PROBLEM TO BE SOLVED: To provide a device for warming fruit which warms a single fruit or a bunch of fruits separately, and with which a bearing fruit can be economically warmed with relatively small time and labor when the temperature falls. <;P>;SOLUTION: The device for warming fruit warms fruit of a fruit tree cultivated in a hothouse or a fruit tree trellis before harvesting, and includes: a lot of warming covers in each of which a sheet heating element is integrally set up and each of which covers and is attached to a single fruit or a single bunch of fruits before harvesting to cover it; a plurality of power distributors disposed around in the hothouse or at the fruit tree trellis; and a warming power source having an output voltage of &le;30 V. Each of the power distributors includes a single input port and an output port to which a plurality pieces of lead wire can be connected. One side of an output electric cable for the warming power source is connected to a metal pipe or a trellis wire for the hothouse or the fruit tree trellis, the other is connected to the input ports of a plurality of the power distributors, one side of the lead wires pulled out from the sheet heating element of each of the warming covers is connected to the pipe or the trellis wire, and the other is connected to the output port of the power distributor. <;P>;COPYRIGHT: (C)2011,JPO&INPIT