An electric knife comprises a blade member and a grip member, the grip member is sleeved on the outside of the blade member, one end of the grip member is an electric firing end, the blade member is exposed from the electric burning end, and the electric burning end is formed as a transparent The electric burning end, a light source is disposed in the transparent electric burning end, and a light source switch electrically connected to the light source is disposed on the holding member, and the light source is controlled by the light source switch to emit light from the transparent electric burning end.一種電刀，包含一刀刃構件及一握持構件，握持構件套設於刀刃構件之外部，握持構件之一端為電燒端，刀刃構件自電燒端露出，電燒端形成為一透明電燒端，一燈源設置於透明電燒端中，以及電連接於燈源的一燈源開關設置於握持構件，燈源經燈源開關控制而自透明電燒端發光。
