▎ 摘　　要

NOVELTY - The utility model claims a radiating device of sealing terminal device, comprising: a first heat conducting grease layer, the first heat conducting grease layer is set on the main control circuit board; a first shell, the first shell is set on the first heat conducting grease layer; graphene radiating layer, the graphene layer is set on the first shell; a second shell, the second shell is set on the graphene layer; the second heat conducting grease layer, the second heat conducting grease layer is set on the second shell; and a metal radiating fin, the metal radiating fin is set on the second heat conducting grease layer; the main control circuit board can effectively dissipate heat under the sealing environment.