▎ 摘　　要

NOVELTY - Flexible graphene heating film comprises paper fiber and graphene in a weight ratio of 20:0.4-4.5, preferably 20:1-2. USE - Used as flexible graphene heating film ADVANTAGE - The method: has simple process; utilizes easily avilable raw materials; is fast, easy to prepare, and is not cumbersome. The flexible graphene heating film has excellent flexibility and high thermal efficiency. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing flexible graphene heating film, comprising (i) preparing pulp, (ii) carrying out graphene oxidation treatment, optionally (iii) graphene oxide amination treatment, and (iv) mixing obtained pulp with obtained graphene oxide or aminated graphene oxide obtained by (iii), and then subjecting obtained pulp into papermaking, rolling, and drying to obtain flexible graphene heating film.