The invention discloses a novel hair-loss-prevention shampooing and conditioning composition preparation apparatus. The novel hair-loss-prevention shampooing and conditioning composition preparation apparatus comprises a mixing box body, wherein a mixing cavity is arranged in the top end surface of the mixing box body, the left side inner wall and the right side inner wall of the mixing cavity aresymmetrically provided with a first cavity, the outer side wall of the first cavity is communicated with a sliding cavity, a sliding seat is installed in the sliding cavity in a sliding fit manner, afirst jacking spring is installed between the top end surface of the sliding seat and the top wall of the sliding cavity in a jacking fit manner, a first motor is fixedly arranged in the right side end surface of the sliding seat on the left side, the right side end of the first motor is provided with a first rotating shaft in a power fit manner, the first rotating shaft is rotatably connected with the sliding seat on the right side in a fit manner, a plurality of groups of mixing vanes are fixedly arranged on the periphery of the first rotating shaft in the mixing cavity, the left side and right side of the first rotating shaft in the first cavity are symmetrically fixedly provided with a first gear, and a first transmission cavity is arranged in the sliding seat on the lower side of thefirst gear.