Ground smoothing device

The utility model belongs to the field of building decoration and discloses a ground grinding device which comprises a moving device used for moving for grinding and further comprises a grinding device arranged on the moving device and used for vertically moving and adjusting for rotary grinding. The moving device is provided with an auxiliary device used for spraying water for wet grinding and preventing dust from flying. The grinding device comprises a first motor, a lead screw is arranged at the output end of the first motor, a sliding block is arranged on the lead screw, a grinding box is arranged at one end of the sliding block, a second motor is arranged on the grinding box, a transmission shaft is arranged at the output end of the second motor, and a grinding piece is arranged at the lower end of the transmission shaft. According to the ground grinding device disclosed by the utility model, through the arrangement of spraying water while grinding, the workload of spraying water before grinding is reduc