A pixel structure, comprising: a first electrode, which comprises a first groove group, a second groove group and a non-hollow portion adjacent to both the first groove group and the second groove group, wherein: the first groove group comprises a plurality of first grooves which are hollow and are successively arranged, each first groove comprises a first end and a second end which are arranged along an extending direction of the first groove, first ends of the plurality of first grooves are on a first side of the first groove group, second ends of the plurality of first grooves are on a second side of the first groove group, and the second side and the first side are opposite to each other; the second groove group is on the second side of the first groove group and comprises a plurality of second grooves which are hollow and are successively arranged, each second groove comprises a third end and a fourth end which are arranged along an extending direction of the second groove, and the third end is on the side of second groove group close to and facing the second side of the first groove group; and the third end of at least one of the plurality of second grooves is staggered with respect to the second end of the first groove which is adjacent to the third end of the at least one of the plurality of second grooves; the first electrode further comprises a third groove group and a fourth groove group, the third groove group comprises a plurality of third grooves which are hollow and are successively arranged, and the fourth groove group comprises a plurality of fourth grooves which are hollow and are successively arranged; the third groove group and the fourth groove group are arranged along a first arrangement direction, the first groove group and the second groove group are arranged along a second arrangement direction, and the first arrangement direction intersects the second arrangement direction; the display substrate further comprises: a first signal line extending in a first direction; a second signal line extending in a second direction and intersecting the first signal line, wherein the first signal line is a gate line and the second signal line is a data line; characterized in that, the first electrode comprises a first edge and a second edge which are intersected with each other, the first edge is parallel to the first groove, and the second edge is parallel to the second groove; the first grooves and the second grooves are arranged along the gate line and extended substantially along the data line. the first groove group comprises a plurality of first grooves which are hollow and are successively arranged, each first groove comprises a first end and a second end which are arranged along an extending direction of the first groove, first ends of the plurality of first grooves are on a first side of the first groove group, second ends of the plurality of first grooves are on a second side of the first groove group, and the second side and the first side are opposite to each other; the second groove group is on the second side of the first groove group and comprises a plurality of second grooves which are hollow and are successively arranged, each second groove comprises a third end and a fourth end which are arranged along an extending direction of the second groove, and the third end is on the side of second groove group close to and facing the second side of the first groove group; and the third end of at least one of the plurality of second grooves is staggered with respect to the second end of the first groove which is adjacent to the third end of the at least one of the plurality of second grooves; the first electrode further comprises a third groove group and a fourth groove group, the third groove group comprises a plurality of third grooves which are hollow and are successively arranged, and the fourth groove group comprises a plurality of fourth grooves which are hollow and are successively arranged; the third groove group and the fourth groove group are arranged along a first arrangement direction, the first groove group and the second groove group are arranged along a second arrangement direction, and the first arrangement direction intersects the second arrangement direction; the display substrate further comprises: a first signal line extending in a first direction; a second signal line extending in a second direction and intersecting the first signal line, wherein the first signal line is a gate line and the second signal line is a data line; characterized in that, the first electrode comprises a first edge and a second edge which are intersected with each other, the first edge is parallel to the first groove, and the second edge is parallel to the second groove; the first grooves and the second grooves are arranged along the gate line and extended substantially along the data line. a first signal line extending in a first direction; a second signal line extending in a second direction and intersecting the first signal line, wherein the first signal line is a gate line and the second signal line is a data line; characterized in that, the first electrode comprises a first edge and a second edge which are intersected with each other, the first edge is parallel to the first groove, and the second edge is parallel to the second groove; the first grooves and the second grooves are arranged along the gate line and extended substantially along the data line.