A small-spacing LED screen is provided, comprising a bottom case, an HUB board arranged on one side of the bottom case, and a small module arranged on the other side and electrically connected with the HUB board. The small module includes a module main body and a drive control unit which is electrically connected with the module main body to drive and control the module main body. An adaptor plate is also arranged between the small module and the HUB board. The HUB board is electrically connected with the adaptor plate. The drive control unit is arranged on the adaptor plate. The LED screen has the smallest spacing, and the reject ratio of the small module is greatly reduced.
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