PROBLEM TO BE SOLVED: To provide a chip for detecting a biological substance having high detection accuracy. According to the embodiment of the present technology, the pixel includes a plurality of pixels, and the pixel includes a holding surface that holds a biological substance S and a photoelectric conversion unit that is provided below the holding surface and that is provided on a semiconductor substrate. The bio-derived substance detection chip 1 having at least the above and having the color mixture suppression unit 13 between the pixels is provided. Also provided are a biogenic substance detection device and a biogenic substance detection system using the biogenic substance detection chip. [Selection diagram] Fig. 7
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