Marker post for construction surveying and mapping

The invention discloses a marker post for construction surveying and mapping, relating to the technical field of construction surveying and mapping. The marker post comprises a base, wherein a fixingcylinder is fixedly arranged at the center of the top surface of the base; a box body is fixedly arranged at the bottom end inside the fixing cylinder; a lifting mechanism is arranged inside the fixing cylinder; a post body runs through the inside of the fixing cylinder; a transparent box is connected with one end, far from the inside of the fixing cylinder, of the post body; and a rope is fixedlyconnected with the center of the top surface inside the transparent box. Whether the marker post is vertical or not can be found in time, and the marker post can be regulated, so that occurrence of errors can be effectively reduced, an alarm lamp can remind passengers or vehicles, and occurrence of risks can be avoided, and the marker post can be lifted, effectively regulated and used for surveying and mapping different c