A fingerprint identification apparatus, wherein the fingerprint identification apparatus is applied under a display screen to implement under-screen optical fingerprint identification, and the fingerprint identification apparatus comprises a plurality of fingerprint identification units distributed in an array, and each of the plurality of fingerprint identification units comprises: a plurality of pixel units (231, 232, 233, 234); a micro lens disposed above the plurality of pixel units (231, 232, 233, 234); and a plurality of light shielding layers (221, 222) disposed between the micro lens and the plurality of pixel units (231, 232, 233, 234), wherein each of the plurality of light shielding layers (221, 222) is provided with light passing holes (2221, 2211) corresponding to the plurality of pixel units (231, 232, 233, 234) so as to from a plurality of light directing channels in one-to-one correspondence with the plurality of pixel units (231, 232,233,234); wherein the plurality of pixel units (231, 232, 233, 234) are respectively configured to receive a plurality of fingerprint light signals reflected or scattered from a finger above the display screen, converged by the micro (lens, and transmitted through the plurality of light directing channels, and the plurality of fingerprint light signals are used to detect fingerprint information of the finger for fingerprint identification; wherein the plurality of light shielding layers comprise a bottom light shielding layer and an intermediate light shielding layer, the intermediate light shielding layer comprises a light shielding layer other than the bottom light shielding layer, a light passing aperture D 2 of a light passing region formed by light passing holes in the intermediate light shielding layer that are corresponding to the plurality of pixel units (231, 232, 233, 234) and a maximum aperture CAof the micro lens satisfy 0.3≤D 2 /CA≤1.3, and D 2 is a distance between two farthest points in the light passing region on a plane where the intermediate light shielding layer is located; characterized in that the depth Z 2 between the lower surface of the intermediate light shielding layer and the lower surface of the micro lens and the depth Z 1 between the lower surface of the bottom light shielding layer and the lower surface of the micro lens satisfy 0.3≤Z 2 /Z 1 ≤0.75, and the light passing aperture D 2 of the light passing region and the maximum aperture CA of the micro lens satisfy 0.5≤D 2 /CA≤0.8, and a shape of the light passing region is a petal, wherein the petal is formed by the light passing holes in the intermediate light shielding layer partially overlapping or intersecting with each other and the number of petals is related to the number of pixel units included in a fingerprint identificationunit. a plurality of pixel units (231, 232, 233, 234); a micro lens disposed above the plurality of pixel units (231, 232, 233, 234); and a plurality of light shielding layers (221, 222) disposed between the micro lens and the plurality of pixel units (231, 232, 233, 234), wherein each of the plurality of light shielding layers (221, 222) is provided with light passing holes (2221, 2211) corresponding to the plurality of pixel units (231, 232, 233, 234) so as to from a plurality of light directing channels in one-to-one correspondence with the plurality of pixel units (231, 232,233,234); wherein the plurality of pixel units (231, 232, 233, 234) are respectively configured to receive a plurality of fingerprint light signals reflected or scattered from a finger above the display screen, converged by the micro (lens, and transmitted through the plurality of light directing channels, and the plurality of fingerprint light signals are used to detect fingerprint information of the finger for fingerprint identification; wherein the plurality of light shielding layers comprise a bottom light shielding layer and an intermediate light shielding layer, the intermediate light shielding layer comprises a light shielding layer other than the bottom light shielding layer, a light passing aperture D 2 of a light passing region formed by light passing holes in the intermediate light shielding layer that are corresponding to the plurality of pixel units (231, 232, 233, 234) and a maximum aperture CAof the micro lens satisfy 0.3≤D 2 /CA≤1.3, and D 2 is a distance between two farthest points in the light passing region on a plane where the intermediate light shielding layer is located; characterized in that the depth Z 2 between the lower surface of the intermediate light shielding layer and the lower surface of the micro lens and the depth Z 1 between the lower surface of the bottom light shielding layer and the lower surface of the micro lens satisfy 0.3≤Z 2 /Z 1 ≤0.75, and the light passing aperture D 2 of the light passing region and the maximum aperture CA of the micro lens satisfy 0.5≤D 2 /CA≤0.8, and a shape of the light passing region is a petal, wherein the petal is formed by the light passing holes in the intermediate light shielding layer partially overlapping or intersecting with each other and the number of petals is related to the number of pixel units included in a fingerprint identificationunit.