The invention discloses an electroplating grinding unit used for a piece of multifunctional glass of a mobile phone, which comprises a tool handle and a tool bit component, wherein the tool bit component comprises a plurality of sections of tool bits which are sequentially connected and arranged on the tool handle; the plurality of sections of the tool bits respectively comprise at least one machining part; and the machining part is electroplate with carborundum. According to the electroplating grinding unit used for the multifunctional glass of the mobile phone, the machining of various types can be completed without replacing tools for several times, therefore, the machining efficiency is improved, and the production cost is reduced.