Highly environment-friendly milling machine

The utility model provides a highly environment-friendly milling machine which comprises a milling machine body, a workbench is arranged on the milling machine body, a water tank is arranged on the left side of the workbench, a water inlet pipe is arranged in the water tank, the other end of the water inlet pipe is connected with a water pump, a dust collecting box is arranged at the top of a mounting plate, and the other end of a first pipeline is connected with an air pump. The second pipeline penetrates through the top of the dust cover and is connected with a dust collecting cover, a screen is arranged at the bottom of the dust collecting cover, and a second fan is arranged at the top of the dust collecting cover. Water is stored in the water tank, water is supplied through the water pump, and a workbench on the milling machine body can be comprehensively cleaned; the second draught fan and the air pump operate at the same time, dust and chippings on the workbench can be sucked into the dust collecting bo