The utility model provides a damping device is used in ground stake among civil engineering, including first cylinder, the lower part of first cylinder is equipped with hollow second cylinder, first cylinder is the same with the diameter of second cylinder, through several cylinder fixed connection between first cylinder and the second cylinder, several cylinders are around the diameter evenly distributed of first cylinder, the circular shape through -hole has been seted up on the upper portion of first cylinder, the toper structure is just installed to the bottom lock of second cylinder, toper structure pointed end down and the inside cavity that is, the inside of second cylinder is equipped with several layers of arched beam, several layers of arched beam is arranged under to from last in proper order, through several transverse column fixed connection between the outer wall of second cylinder and the inner wall, the equal first spring of suit in outsides outside and several transverse column of several cylinders, several tilt up's first pinhole is seted up to the outside periphery of second cylinder, first pinhole evenly distributed, first pinhole inside is equipped with first stake round pin respectively. The utility model discloses simple structure, convenient operation, anti -seismic performance is strong.