Preparation method of smoothie for food processor

The invention discloses a food processor smoothie preparation method, which comprises a cup body and a crushing knife, the crushing knife is provided with a plurality of knife blades, an ice falling space is arranged between the adjacent knife blades and the inner wall of the cup body, and each knife blade is provided with a first blade and a second blade which are opposite to each other. The preparation method comprises the following steps: a speed increasing ice crushing stage: the crushing cutter pushes ice blocks falling on the crushing cutter at a first angular acceleration so as to throw up the ice blocks, and impacts the fallen ice blocks to crush the ice blocks and rebounds and throws up the ice blocks, so that the fallen ice blocks are impacted at a speed increasing speed; and a speed-reducing ice-crushing stage: the speed of the crushing cutter is reduced, the falling ice blocks are impacted to crush the ice blocks at a reduced rotating speed, and the crushed ice blocks can fall into the ice falling