In light of the using method, it can be categorized into concrete coring sampling drilling machine, hydraulic rope exploration core drilling rig and hydraulic rotary drilling rig. They are widely used in the places of road, railway, bridge and civil buildings’ geological survey, advanced drilling, grouting, embedded parts guide holes, inspection holes, small domestic water wells and large engineering water wells. Furthermore, the rotary drilling machine is used for telephone pole drilling, mine drilling, engineering drilling, planting trees and drilling tree pits, ordinary land, frozen soil, concrete roads, soft rock mine.