A razor head having a trimming unit, comprising: a framework, the framework comprising a front part, a rear part and two side parts, the front part and the rear part being arranged along a lengthwise direction of the framework and spaced from each other side by side, the two side parts connecting the front part to the rear part; at least one razor blade, the at least one razor blade being located between the front part and the rear part and arranged along the lengthwise direction of the framework, the at least one razor blade being configured on the two side parts, a cutting edge of the at least one razor blade facing toward the front part; a trimming unit, the trimming unit being arranged along the lengthwise direction of the framework and configured on the two side parts, the trimming unit and the rear part being configured side by side and defining a receiving groove together, the receiving groove being extended along the lengthwise direction of the framework, a side wall of the rear part for defining the receiving groove having a first contact portion extended into the receiving groove, a side wall of the trimming unit for defining the receiving groove having a second contact portion extended into the receiving groove, the second contact portion corresponding to the first contact portion along a direction perpendicular to the lengthwise direction of the framework; and a lubricating strip, the lubricating strip being arranged along the lengthwise direction of the framework and inserted into the receiving groove, the first contact portion and the second contact portion clamping the lubricating strip together; and the razor head characterized in that, the rear part 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 part and a trimming blade connected to the supporting plate, an upper end of the supporting plate is located at a side of the framework where the cutting edge is located, the trimming blade is configured on a lower end of the supporting plate; the receiving groove is defined by the supporting plate and the separating plate, the second contact portion is located on the supporting plate, and the first contact portion is located on the separating plate. a framework, the framework comprising a front part, a rear part and two side parts, the front part and the rear part being arranged along a lengthwise direction of the framework and spaced from each other side by side, the two side parts connecting the front part to the rear part; at least one razor blade, the at least one razor blade being located between the front part and the rear part and arranged along the lengthwise direction of the framework, the at least one razor blade being configured on the two side parts, a cutting edge of the at least one razor blade facing toward the front part; a trimming unit, the trimming unit being arranged along the lengthwise direction of the framework and configured on the two side parts, the trimming unit and the rear part being configured side by side and defining a receiving groove together, the receiving groove being extended along the lengthwise direction of the framework, a side wall of the rear part for defining the receiving groove having a first contact portion extended into the receiving groove, a side wall of the trimming unit for defining the receiving groove having a second contact portion extended into the receiving groove, the second contact portion corresponding to the first contact portion along a direction perpendicular to the lengthwise direction of the framework; and a lubricating strip, the lubricating strip being arranged along the lengthwise direction of the framework and inserted into the receiving groove, the first contact portion and the second contact portion clamping the lubricating strip together; and the razor head characterized in that, the rear part 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 part and a trimming blade connected to the supporting plate, an upper end of the supporting plate is located at a side of the framework where the cutting edge is located, the trimming blade is configured on a lower end of the supporting plate; the receiving groove is defined by the supporting plate and the separating plate, the second contact portion is located on the supporting plate, and the first contact portion is located on the separating plate.