Anti-dust device for hole drilling

The utility model provides a anti-dust device for hole drilling. The anti-dust device for the hole drilling is of a columnar structure. A through hole is formed in the anti-dust device for the hole drilling in the axial direction, wherein a drilling rod can be inserted into the through hole. A water inlet which is connected with an outer water source is arranged in the end portion of the device. A plurality of spray orifices are formed both in the inner wall of the anti-dust device for the hole drilling and the outer wall of the anti-dust device for the hole drilling. The spray orifices are communicated with the water inlet in a guiding mode. According to the anti-dust device for the hole drilling, a plurality of sets of spray orifices are adopted to spray mist to eliminate dust before dust particles of coal or rock enter roadway, the dust are reduced conveniently during a drilling process of operating personnel and damage to the operating personnel from the dust is reduced.