The present disclosure provides a locking false bottom multifunctional kitchen appliance, including: a main body that is machined into a sheet-like body from a silica gel material, two sides of a left side body and a right side body of the sheet-like body being docked to define a circular body, an upper flange and a lug protruding outwards from a top of the circular body, a support side being disposed at a bottom of the circular body, a groove being recessively disposed on the support side, a docking portion of the circular body being provided with a catch device, the catch device being capable of operating the left side body and the right side body of the circular body for combination or separation. During use, any sheet having a desired number of meshes only needs to be mounted. The sheets are diversified, and thus the product is multifunctional, reasonable in structure, convenient in use, and highly practicable.
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