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Electric pump including the pump body, into the impeller in the pump body, impeller rotating motor drive products, products include stator and rotor of motor, rotor products including fixed to the impeller rotor yoke and permanent magnets, the stator of products including stator yoke, several along the circumferential interval set by the coil in the teeth of the stator winding on the stator tooth, the product of the stator yoke corresponding to each set holding tank must have the son tooth, on both sides of the end of the holding tank set up checked posts, every child must be tooth inserted after the corresponding holding groove of the stator yoke, holding groove end claws on both sides of the card in the stator tooth deformation to fix the stator tooth holding groove. Electric pump electric pump short axial dimensions, simple structure, convenient assembly, low processing cost.