A cell image analysis method according to this invention includes a step of acquiring a cell image (10) including a cell (90); a step of inputting the cell image to a learned model (6) that has learned classification of the cell into one of two or more types; a step of acquiring an index value (20) indicating accuracy of the classification of the cell that is included in the cell image into one of two or more types based on an analysis result of each of pixels of the cell image output from the learned model; and a step of displaying the acquired index value.