数控加工技术已广泛应用于我国的航空工业及其它制造业。本文简要介绍了数控加工中一些常见的错误，并详细阐述了数控加工程序的验证方法及其特点。 CNC machining technology has been widely used in China’s aviation industry and other manufacturing industries. This article briefly introduces some common mistakes in CNC machining and elaborates the verification methods and features of CNC machining programs in detail.