A razor head , comprising: a head frame having a front frame wall , a rear frame wall and-a two side frame walls , the front frame wall and the rear frame wall arranged in a lengthwise direction of the head frame , with a determined spacing, and integrated together by means of the side frame walls ; a razor blade arranged along a lengthwise direction of the head frame and between the front frame wall and the rear frame wall , and adapted to assemble on the side frame walls , with a cutting edge of the razor blade facing the front frame wall ; an independent trimming unit arranged along the lengthwise direction of the head frame and adapted to assemble on the side frame walls , with a receiving groove being defined by the trimming unit and the rear frame wall and arranged along the lengthwise direction of the head frame ; and a lubricating strip arranged along the lengthwise direction of the head frame and inserted into the receiving groove , and the lubricating strip being clamped by the trimming unit and the rear frame wall ; and the razor head characterized in that , the rear frame wall comprises a separating plate and a connecting plate which are connected together and formed in an L-shape; the trimming unit comprises a supporting plate formed in an inverted L-shape that is opposite to the L-shape of the rear frame wall and a trimming blade connected to the supporting plate ; an upper end of the supporting plate is located at a side of the head frame where the cutting edge is located, and the trimming blade is configured on a lower end of the supporting plate ; and the supporting plate and the separating plate are arranged side by side to define the receiving groove . a head frame having a front frame wall , a rear frame wall and-a two side frame walls , the front frame wall and the rear frame wall arranged in a lengthwise direction of the head frame , with a determined spacing, and integrated together by means of the side frame walls ; a razor blade arranged along a lengthwise direction of the head frame and between the front frame wall and the rear frame wall , and adapted to assemble on the side frame walls , with a cutting edge of the razor blade facing the front frame wall ; an independent trimming unit arranged along the lengthwise direction of the head frame and adapted to assemble on the side frame walls , with a receiving groove being defined by the trimming unit and the rear frame wall and arranged along the lengthwise direction of the head frame ; and a lubricating strip arranged along the lengthwise direction of the head frame and inserted into the receiving groove , and the lubricating strip being clamped by the trimming unit and the rear frame wall ; and the razor head characterized in that , the rear frame wall comprises a separating plate and a connecting plate which are connected together and formed in an L-shape; the trimming unit comprises a supporting plate formed in an inverted L-shape that is opposite to the L-shape of the rear frame wall and a trimming blade connected to the supporting plate ; an upper end of the supporting plate is located at a side of the head frame where the cutting edge is located, and the trimming blade is configured on a lower end of the supporting plate ; and the supporting plate and the separating plate are arranged side by side to define the receiving groove . <EOS>