Tool bit assembly and shaver

The utility model discloses a tool bit assembly which comprises a tool net disc, an annular wall and a tool rest which are coaxially arranged. Outer fixed cutters are arranged along the edge of the cutter net disc, and a peripheral entering groove is formed between every two adjacent outer fixed cutters; the knife rest is provided with an outer movable knife, the outer movable knife and the outer fixed knife are matched to cut hair, an annular collecting groove is formed between the edge of the knife net disc and the edge of the end, close to the skin, of the annular wall, the knife head assembly further comprises guide comb teeth arranged on the periphery of the annular wall, and the guide comb teeth basically extend in the axial direction of the knife net disc and define a hair removing area. The tooth bodies of the guide comb teeth are used for shunting hair, and shunting channels are formed between the adjacent guide comb teeth. The shaver has the beneficial effects that the shaving efficiency is improved