There are mainly disc cutting method and diamond steel wire cutting method. The diamond wire cutting method offers faster speed, greater flexibility and lower construction noise. It is used more and more in construction and renovation projects. The disc cutting method breaks the traditional construction method of air cutting or directional construction after the air pick is chiseled. The cutting disc with diamond particles is used to cut. Constrained by safety factors and other conditions, it is widely used in the structural transformation and incision construction of various large buildings. The steel wire cutting method equipment is composed of a high-power hydraulic press, a transmission positioning pulley and a steel wire with diamond saw teeth. It has the advantages of high speed, no dust and exhaust gas pollution, and the cutting is straight and smooth, without the need for post-processing. Using this technology, for some projects with special requirements for construction, such as urgent construction period, high environmental protection requirements, and some large-scale concrete structures dismantling and cutting projects, these problems can be easily solved.