Abstract: A method and an apparatus for inspecting microbes, etc. including, as an apparatus for detecting microbes, etc., a cultivating device, an image taking-in device, and an arithmetic processing unit, in which an image of a medium to be inspected obtained from a sample collected from a substance or a physical solid having proper color microbes or the medium subjected to illumination treatment, dyeing treatment, etc. prior to or after cultivation in accordance with necessity is separated into the three primary colors, or the like, then, chromatic information of histogram, color and hue for each primary color are calculated, and the information thus obtained is compared with integrated data obtained by combining second data of generic information of microbes, etc. with first data of microbes, etc.