A fingerprint identification device, a display panel, a fabrication method thereof, and a display device are disclosed. The fingerprint identification device includes a fingerprint sensor, an aperture diaphragm, and a first shielding structure. The fingerprint sensor includes a plurality of sensing units; the aperture diaphragm is on a light incident side of the fingerprint sensor and includes an aperture through which light is allowed to be incident on at least one sensing unit of the fingerprint sensor; and the first shielding structure is on a side of the aperture diaphragm facing away from the fingerprint sensor, and surrounds at least a portion of the aperture.