In this paper, a review on machining superalloys, at home and abroad, were stated. Existing problems and new achivements were conducted. The developedtools and methods for machining high temperature alloys at home and abroadwere showed. Continously, authors stated investigation about cutting mechenicsand new methods for superalloys, and some analyses were conducted. The valua-lle reference was provided for people who work at machining of superalloys.