The present invention relates to a continuous slab casting method for controlling positions of segregation and a shrinkage cavity generated in a slab, and a continuous slab casting method according to one embodiment of the present invention comprises the steps of: primarily cooling ingot steel by a mold while injecting the ingot steel into an eccentric area in the thickness direction of a slab from the center portion inside the mold; and spraying cooling water at the surface of the slab and secondarily cooling the same, while drawing the slab, which is primarily cooled by the mold.