Problem to be solved: To provide a method for generating a deep learning model that facilitates evaluation of the grade of laver, and the like. [Solution] a method for generating a deep learning model related to one aspect includes: Acquiring training data including a surface image of a laminate of laver in which a plurality of sheets of laver are laminated and a grade of the laminate of laver; And when a surface image of a dried sheet laminate in which a plurality of dried sheets are laminated is input, generates a deep learning model that outputs a grade of the dried sheet laminate. Selected drawing: Figure 3

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