Inspection device and system for display substrate

The utility model relates to the technical field of display substrate inspection, and discloses an inspection device and system for a display substrate. The inspection device comprises a bracket and a turning-over machine platform; the turning-over machine platform comprises a bearing platform, positioning fixtures and a first driving device, the bearing platform is pivotally mounted on the bracket through pivotal shafts, and an observation slotted hole running through the bearing platform in the thickness direction of the bearing platform is formed in the bearing platform; the positioning fixtures for positioning the display substrate in the scope of the observation slotted hole are mounted on the bearing platform; the first driving device is in transmission connection with the pivotal shafts of the bearing platform to drive the turning-over machine platform to rotate around the pivotal shafts of the bearing platform. When the above-mentioned inspection device is used for inspecting the appearance of the dis