▎ 摘　　要

NOVELTY - A large-area graphene-based flexible substrate comprises a large graphene layer, a buffer layer and an upper inserting layer arranged from bottom to top. The buffer layer material is metal silver. The material of the upper inter calation layer is metal titanium. USE - Large area graphene-based flexible substrate for use in intelligent skin, flexible wear-resistant device and flexible electronic device. ADVANTAGE - The large-area graphene-based flexible substrate has great application prospect in the field of intelligent skin, flexible wear-resistant device and flexible electronic device. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparation method of large area graphene-based flexible substrate. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic representation of the large area graphene-based flexible substrate.