Train seat table board

The invention discloses a train seat table board, and relates to the field of traffic. The train seat table board comprises a dining table board, a dining board through shaft and dining board supporting arms, wherein the dining table board is connected with the dining board supporting arms through the dining board through shaft, and the dining table board and the dining board supporting arms are in rotatable connection; the dining table board comprises a panel, an inner lining, a bottom board and an aluminum alloy framework, wherein the panel and the bottom board are in up-down symmetrical arrangement, frames of four sides of the panel are protruded downwards to form a downward cavity, and frames of four sides of the bottom board are protruded upwards to form an upward cavity. Compared with a conventional train seat table board, the train seat table board disclosed by the invention has the advantages that the assembly efficiency is improved, the reliability of the table board is improved, the intensity is higher, the bearing capacity is higher, the service life is longer, the weight is lighter, and the self weight of a seat can be reduced.