干切削是一种新型的绿色制造工艺，它可以降低生产成本，限制或废止切削液在机械加工中的使用，减少对环境的污染。本文介绍了干切削产生的历史背景、基本原理及干切削对刀具的要求与实现途径。 Dry cutting is a new type of green manufacturing process, which can reduce production costs, limit or abolish the use of cutting fluid in machining, reduce environmental pollution. This paper introduces the historical background and basic principles of dry cutting, as well as the requirements and the ways to achieve the cutting of dry cutting tools.