▎ 摘　　要

NOVELTY - Preparing multifunctional thermal control device comprises (a) selecting a base layer, cleaning, drying the base layer, (b) spraying gold on the upper and lower surfaces of the base layer to form a gold coating based on the vacuum environment, (c) cooling the gold coating, spin-coating epoxy resin on the gold coating on the upper surface of the base layer to obtain a bonding layer and (d) selecting graphene film sheet, placing the graphene film sheet on the upper surface of the bonding layer, subjecting to pressure treatment and air-drying to obtain a thermal control device. USE - The multifunctional thermal control device is useful in thermal technical field. ADVANTAGE - The method prolongs the service life of the device while realizing the dual functions of a heat switch and an adjustable heat absorber; ensures that the selected graphene is a multi-layer graphene film, which does not require micro-nano processing and has no special structural features on the surface and is easy to realize large-scale production.