▎ 摘　　要

NOVELTY - The utility model claims a flexible graphite heating device can be used for local heating of crops, comprising a central processor, a heating controller, a temperature collecting device, a heating device and a user input device, said central processor is respectively connected with a heating controller. a temperature acquisition device and a user input device, the heating controller is connected with heating device, the heating device adopts several graphene electro-thermal film composite structure providing a heat energy, the plurality of graphene electro-thermal film composite structure distributed between the crops. single graphene electro-thermal film composite structure fully buried in the soil of the crop, semi-buried in the soil of the crop, soil flatly on crops or hung on the canopy of the crop; the device is especially for crop localized heating, effectively reduces the paved area, greatly reduces the energy consumption, and the crop yield is improved by 10-50 %, it has the effect of reducing cost and increasing.