Abstract: CNC machining technology is one of the highly-reliant high and new technologies in the current development of my country's machinery manufacturing industry. In actual production, by adopting effective strategies to improve the efficiency of CNC machining, it can better adapt to my country's economic transformation and development. This article focuses on the analysis of the characteristics of CNC machining technology and the factors that affect the efficiency of CNC machining, and studies on strategies to improve the efficiency of CNC machining, hoping to help promote the development of CNC technology in my country.