The present disclosure a foldable table bench having a folded state and an unfolded state, the foldable table bench comprises a frame, a table board, and a bench board. The frame comprises two supporting rods vertically disposed side by side and back and forth, the frame is disposed with link rod mechanisms corresponding to the bench board, and the link rod mechanisms are respectively connected to bottom portions of the supporting rods. Each of the link rod mechanisms comprises a swing arm and a connecting arm rotatably connected together, the swing arm is supported on ground, the swing arm is rotatably connected to the supporting rod, the connecting arm is disposed with a connecting shaft, the connecting shaft supports a bottom portion of the bench board, and the connecting shaft is disposed along a width direction of the bench board and is rotatably connected to the bench board.