Razor head includes a razor cartridge (10) and a razor blade (20). The razor cartridge (10) contains a front side wall (11), a rear side wall (12), a left side wall (13), and a right side wall (14) which enclose an accommodating space (15) to receiving the razor blade (20). The front side wall (11) has multiple protective ribs (30) protruding upward and arranged at intervals along the length direction of the razor cartridge (10); each protective rib (30) extends along the width direction of the razor cartridge (10) and contains a flexible protective rib (30a) and a rigid protective rib which (30b) which are joined, the rigid protective rib (30b) is located in front of the razor blade (20) and arranged adjacent to the razor blade (20), and a guide groove (31) is enclosed between the two adjacent protective rib (30). The razor head has good shaving performance and good comfort.