▎ 摘　　要

NOVELTY - A graphene-metal organic framework composite modified electrode preparing method involves modifying electrode with graphene, immersing modified electrode in a preliminarily prepared solution containing a metal organic framework material, reacting, removing, washing and drying to obtain graphene-metal organic framework composite modified electrode. USE - Method for preparing graphene-metal organic framework composite modified electrode that is utilized in electrochemical biosensors, electrochemical catalysis or hydrogen peroxide catalysis (claimed). ADVANTAGE - The modified electrode has large surface area, biocompatibility and electrochemical activity on the surface of the electrode, and wide application prospect. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a graphene-metal organic framework composite modified electrode prepared by the method.