(I) A step of obtaining an alumina fiber precursor by spinning a spinning stock solution mainly composed of an aluminum compound and a silicon compound, and (II) a precursor continuous sheet obtained by stacking the alumina fiber precursor on an accumulator. A step, (III) a step of slicing and smoothing the surface layer of the precursor continuous sheet with a slicing machine (1), (IV) a step of performing an entanglement process by needling on the precursor continuous sheet, (V) the precursor There can be provided a method for producing an alumina fiber continuous sheet produced through a step of firing the body continuous sheet, and an alumina fiber continuous sheet having a variation in friction coefficient of at least one surface of 10% or less.
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