A telescopic structure for a tomb table is provided. The table is a plate placed on the top of the tomb. The bottom is provided with a plurality of movable rollers. The bottom is provided with a groove in the center and two sides of the groove are provided with ears. When the table is placed in the tomb In the storage position of the seat, the corners on the two sides of the front end of the table groove will abut the stopper bolts preset at the front edge of the tomb; when the table is pulled to the outside by the protruding stopper, the maximum extension of the table.一種墓座供桌的伸縮結構,該供桌為一置放在墓座上方的板材,底面設置複數個活動滾輪,底面中央設有凹槽,凹槽兩側設置有擋耳,當供桌被放置在墓座的收納位置,該供桌凹槽前端兩側角隅將抵觸在墓座前緣預設的限位栓;當供桌外拉至突出擋耳抵觸到限位栓,即供桌的最大伸長量。