An endoscope preheating system comprising a hollow casing and a carbon fiber electric heating device. The hollow sleeve includes a tube wall and an endoscope through-sleeve space located within the tube wall. The carbon fiber electric heating device is coated on the outside of the pipe wall of the hollow casing, and the carbon fiber electric heating device comprises a carbon fiber bundle and a power line, and the carbon fiber bundle is electrically connected to the power line.一種內視鏡預熱系統,包括中空套管與碳纖維電熱裝置。中空套管包括管壁與位於管壁內之內視鏡穿套空間。碳纖維電熱裝置包覆於中空套管的管壁外部,碳纖維電熱裝置包括碳纖維束及電源線,且碳纖維束電性連接於電源線。