The MXene material is a novel 2 Dmetal transition carbide or nitride obtained by etching active metal elements in the precursor MAX phase by hydrofluoric acid,ammonium fluoride or inorganic fluoride.Theoretical studies have found that MXene materials have excellent performance,high specific surface area,high electrical conductivity,excellent optical,electrical,magnetic and mechanical properties.The preparation method of MXene materials and its research and application in different fields were mainly introduced,analyzed the problems existing at this sta...