PROBLEM TO BE SOLVED: To provide a skin condition analysis method for measuring three-dimensional shapes of sulci cutis of a skin surface and analyzing a skin condition based on the measured sulci cutis.SOLUTION: A skin condition analysis method for analyzing a state of a skin surface based on shapes of sulci cutis of the skin surface includes: a shape acquisition step of measuring a three-dimensional shape of the skin surface, and acquiring three-dimensional shape data of the skin surface; an original image generation step of generating an original image related to the skin surface based on the acquired three-dimensional shape data; a sulci cutis extraction step of extracting the sulci cutis based on the generated original image; and a skin evaluation step of evaluating the state of the skin surface based on the extracted sulci cutis.
