The utility model discloses a beauty instrument of key structure improvement, including beauty instrument main part and key module, the inside of beauty instrument main part is equipped with inner casing, and the front side of inner casing is equipped with key installation site, and key module is installed in key installation site, key module includes the key circuit board of being connected in the inside of key installation site from inside to outside setting in proper order, the luminous part of being located on key circuit board and being connected with key circuit board
electricity, the receiving member of being installed in the outside of key installation site and the key body of being connected with receiving member, and be equipped with a plurality of key positions on key circuit board, receiving member includes the soft glue part of being connected with key position and the
light guide portion of covering luminous part, and the
light guide portion between key body and receiving member is equipped with
dark color shading part and light color shading part from inside to outside setting in proper order and laminating, the utility model discloses can adapt to light color beauty instrument shell, and the
dark color shading part of inner layer ensures the light emitting presentation effect, and the light color shading part of outer layer avoids color penetration to beauty instrument shell.