Provided are a cell imaging device and a cell imaging method that can shorten the time period of taking images of cells in a liquid sample, compared with conventional techniques. This cell imaging device introduces a urine sample containing cells into an internal space of a sample cell, moves at least one of the sample cell and an objective lens in a second direction while at least one of the sample cell and the objective lens is moved in a first direction, the second direction being different from the first direction, and takes, at a plurality of imaging positions, images of cells contained in the urine sample by means of an imaging unit.