The present disclosure relates to an electrode for a lithium metal battery and a lithium metal battery comprising the same, the electrode comprising: a current collector; the silicon dioxide layer comprises flaky porous silicon dioxide, and pores of the flaky porous silicon dioxide have a cylindrical structure. The formation of lithium dendrites on the surface of the negative electrode is prevented, so that the stability of the battery can be improved and the long-term cycle performance and rate capability can be improved.