超精密加工技术是降低工件表面粗糙度、去除损伤层，获得高形状精度、表面精度和表面完整性的终加工手段。复杂曲面零件的广泛应用和精度要求的不断提高，取决于复杂曲面零件的超精密加工技术。概述了复杂曲面零件的超精密成形加工、超精密抛光等加工方法，分析各种典型加工方法和材料去除机理，从加工精度、工具与曲面吻合度、加工效率与成本、环境友好性等方面对几种复杂曲面超精密加工方法进行比较。对复杂曲面零件超精密加工技术的发展趋势进行预测。

Ultra-precision machining, as the finishing process, is widely used in the production of components of the highest quality in terms of form accuracy, surface accuracy and integrity. Development and implementation of complex surface depend on ultra-precision machining methods of complex curved parts. Ultra-precision cutting, grinding, polishing, non-traditional machining and compound machining method are reviewed and compared in terms of finishing accuracy, inosculation between tool and curved surface, efficiency and cost, and environmental friendliness. The probable further trend of ultra-precision machining technology of complex curved surface is forecasted. It is pointed out that complex curved surface machining with high efficiency, high precision, low cost, and sustainability are the trend in ultra-precision machining in the future.