A gas stove table top supporting plate, relating to a supporting plate capable of utilizing a space above an existing gas stove, and relating to the technical field of kitchen supplies. The gas stove table top supporting plate consists of a main body frame (1), front supporting arms (2), pressing plates (3), a backing plate (4), a supporting strip (5), hinges (6), a limiting clamping plate (7), a heat insulation strip (8), and a bottom glue (9); the backing plate (4) corresponds to a gas stove head; and the main body frame (1) is rotated by means of the hinges (6) to form a vertical state and a horizontal state. Therefore, the present invention achieves the purposes of supporting, blocking, and cooking.