The utility model relates to a municipal scribing construction device which effectively solves the problems that an existing scribing machine cannot well adapt to marked lines with different widths, and the scribing quality is unstable. According to the technical scheme, the device comprises a vehicle body, a horizontal material spraying pipe is installed at the bottom of the vehicle body, a plurality of downward spraying heads are evenly distributed on the material spraying pipe in the length direction, the material spraying pipe is higher than the ground and can rotate in the horizontal plane, a material storage box is arranged on the vehicle body, a hose is connected between the bottom of the material storage box and the material spraying pipe, and a liquid pump is arranged on the hose;according to the utility model, the scribing width can be steplessly adjusted, the application range is wide, the scribing quality is stable, the equipment structure is simple, and the service life is long.