The invention provides a buffer-type warning post and belongs to municipal infrastructure. The buffer-type warning post structurally comprises a fixing post body inserted into a foundation and is characterized in that the upper end of the fixing post body is provided with threads, the fixing post body is movably sleeved with an inner tube, a nut matched with the threads at the upper end of the fixing post body is located above the inner tube, the outside of the inner tube is fixedly provided with pins, the pins are divided into at least two sets in the vertical direction in the axis direction of the inner tube, four pins constitute one set, the axes of the pins form an included angle of 90 degrees, and the pins are arranged on the outside of the inner tube in a radial shape, the inner tube is sleeved with an outer tube, the inner wall of the outer tube is provided with four axial grooves, each pin is provided with a spring in a sleeved mode, the end of each spring is arranged in the corresponding groove, and the upper end of the outer tube is connected with a top cover through threads. By means of the warning post, a warning or stopping function is achieved, when collision occurs, and secondary harm can be prevented from being caused to vehicles, pedestrians and the like as much as possible.