A plastic suction table board has a table top and a bottom board, wherein the edge of the table top is disposed with a side edge extending downwardly, and the edge of the bottom board is disposed with a hem extending upwardly, the hem is an arc structure protruding out of the plastic suction table board, the top end of the hem is disposed with a lip extending upwardly, the side edge covers the lip, the bottom end of the side edge is disposed above the hem. The edge of the bottom board is disposed with the hem of arc structure.