In view of the lack of lubrication ability in high-efficiency dry cutting,graphene particles with excellent self-lubricating properties can be grown in situ or deposited on the surface of cemented carbide tool matrix in the form of composite materials,which is expected to make up for the shortage of tool service life and machining performance in traditional dry cutting. The research and application status of graphene materials in the field of metal cutting tools were comprehensively introduced.The different preparation methods for primary graphene coating or graphene composite superhard material were introduced. Metal cutting and friction and wear test results were analyzed.It is shown that graphene coated tools have excellent lubrication performance and it can effectively reduce the friction coefficient and wear rate of the tool and improve its service life.