The utility model discloses a suspension cushion for engine, include with engine fixed connection's upper junction plate (1), with frame fixed connection's lower connecting plate (2), and connect upper junction plate (1) and rubber cushion (3) of lower connecting plate (2), connecting plate (2) are upward pre -buried down has two coupling nut (4), and outstanding connecting plate (2) the lower surface down in the bottom of this coupling nut (4), is in simultaneously coupling nut (4) top week side is equipped with round reinforcement (5), and this reinforcement (5) lie in the upper surface of lower connecting plate (2) and place rubber cushion (3) in insidely, contrast in prior art's bolt pre -buriedly, the thread can not collided with by the frame when the installation in the nut, and is secure to the reliability of assembly, and when the outstanding part in connecting plate down in coupling nut bottom was with connected to the frame simultaneously, outstanding partially insert had guiding orientation and acts on to the frame inside, plays the decisive role to the location of engine.