A coordinate input device containing system table having a table portion for mounting thereon a monitor, a computer body and the like. The table portion includes a front table surface portion of flat and seamless as a whole, a top board having an accommodating portion formed to accommodate the coordinate input device in a lower level than the front table surface portion in a state of readiness to use, and a holding member fixed to the table portion at a reverse side thereof to support and fix the coordinate input device accommodated in the accommodated portion formed in the top board.