The invention relates to a stake, in particular to a warning and propaganda stake. The stake comprises a stake body, an alarming lamp is connected with the top of the stake body, and a counterweight base tray is connected with the bottom of the stake body; one or more inserting grooves are connected with the side wall of the stake body in the length direction of the stake body, two or more warningand propaganda stakes are used in a matched mode, and identification mediums with warning or propaganda contents are connected through the inserting grooves. The problems are solved that that a largequantity of goods need to be prepared by operation teams, are inconvenient to transport and easy to damage under the condition that the construction operation site environment is relatively complex,especially the problem of non-obvious safety warning under the night operation environment is solved; under the premise that safety is guaranteed, the difficulty of safety measure layout is further lowered, workloads of team members are practically and effectively reduced, and the working efficiency is improved; when propaganda activities are carried out, the stake can be suitable for scrolls withdifferent contents and different specifications and provide great convenience for propaganda work.