Provided is a cell capturing cartridge. According to an embodiment of the inventive concept, the cell capturing cartridge may include a substrate and structures provided on an upper surface of the substrate and constituting a plurality of rows that are parallel to a row direction. The structures in one row may be offset from the structures in the neighboring rows in the row direction. Each of the substrates may have a first side surface facing one side of the substrate and a second side surface disposed opposite to the first side surface and having a width greater than that of the first side surface.