▎ 摘　　要

NOVELTY - Graphene growth device comprises supporting frame (1), growth substrate support rod (2), horizontal supporting rod (3), through-holes (4) and graphene substrate (5). USE - Graphene growth device. ADVANTAGE - The device is simple and low-cost. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of graphene comprising cutting graphene substrate into sections, directly hanging on horizontal supporting rod, placing in graphene growth device, carrying out chemical vapor deposition method and removing from the graphene growth device until graphene growth is complete. DESCRIPTION OF DRAWING(S) - The drawing shows a structure schematic diagram of graphene growth device. Supporting frame (1) Growth substrate support rod (2) Horizontal supporting rod (3) Through-holes (4) Graphene substrate (5)