The utility model relates to a paving plate for a building construction site, aiming at effectively solving the problems that when passing through a muddy land, a constructer is difficult, easily falls down, can not carry out normal construction and the like. According to the technical scheme of the utility model, the paving plate comprises two first plates as hollow shells, wherein the front end of each first plate is provided with a second plate as a hollow shell, each first plate is internally provided with a third plate, the front end of each third plate is provided with a fourth plate, a fifth plate as a hollow shell is arranged below each first plate, openings are respectively formed in the left and right ends of each fifth plate, an internal partition board is arranged in the middle of each fifth plate and is used for dividing each fifth plate into left and right spaces, the interior of the spaces are respectively connected with seventh plates, an eighth plate is arranged at an opening end of each seventh plate, grooves are respectively formed below the third plates, the fifth plates and the seventh plates and are respectively internally provided with first brackets, a slidable second bracket is arranged on each first bracket, and a gear and rack connecting structure is arranged below each first bracket. The paving plate has an ingenious structure, enables the muddy land to be smooth, can be safely passed and is capable of maintaining normal construction.