A method for producing a fish product according to the present invention includes: a step of combining and mixing at least 0.01 percent by weight up to but not including 0.05 percent by weight of a protein cross-linking enzyme with ground fish meat to prepare a first ground-fish-meat material paste; a step of combining and mixing at least 0.05 percent by weight up to but not including 1.0 percent by weight of the protein cross-linking enzyme with ground fish meat to prepare a second ground-fish-meat material paste; a step of laminating a first paste consisting of the first ground-fish-meat material paste, and a second paste consisting of the second ground-fish-meat material paste, to make a laminated material; and a step of heating the laminated material.