The utility model discloses a mattress, include top panel that is in upper portion and the lower panel that is in the lower part, the top panel with be provided with a plurality of elastic support units down between the panel, the elastic support unit is along mattress is vertical, mattress horizontal, mattress at least one orientation in to the angular direction arranges that the elastic supportunit includes a plurality of elastic components, a plurality of support piece and follows the horizontal direction and lay the balancing pole between elastic component and support piece, the elastic component distributes in balancing pole upper portion, and support piece distributes in the balancing pole lower part, perhaps the elastic component distributes in the balancing pole lower part, and support piece distributes in balancing pole upper portion. Reaction force injury when crouching to the human body seat is little, is fit for all kinds of crowds and uses.