▎ 摘　　要

NOVELTY - Preparing a degradable multifunctional flexible sensing material, comprises (i) irradiating polyimide film with a laser, and the irradiated region on the polyimide film forms a graphene conductive layer, (ii) uniformly coating the natural polymer material solution on the conductive layer of the graphene, where the natural polymer material is starch, nanocellulose or a mixture of starch and nano cellulose, (iii) drying the natural polymer material solution, and the solid polymer material solution is formed into a natural polymer film, and the natural polymer film is attached to the graphene conductive layer, and (iv) removing the polyimide film on the graphene conductive layer, and forming the natural polymer film and the graphene conductive layer. USE - The method is useful for preparing a degradable multifunctional flexible sensing material (claimed). ADVANTAGE - The method utilizes materials of low cost, and is environmentally friendly. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (1) degradable multifunctional flexible sensing material obtained by the method as mentioned above; and (2) sensor comprising the degradable multifunctional flexible sensing material for detectable for temperature and pressure.