Nanocutting　is　a　method　of　direct　machining　in　nanomanufacturing　field,　and　it　is　an　important　ultraprecision　machining　method.　Nanocutting　technology　adopts　single-point　diamond　cutting　and　nanoprobe　scratching　methods　to　make　the　machining　accuracy　of　parts　reach　the　nanometric　scale.　It　is　the　method　with　the　highest　machining　accuracy　at　present,　so　it　is　widely　used　in　the　processing　of　precision　components.　At　the　same　time,　nanocutting　technology　can　be　used　to　process　nanostructures　and　provide　processing　methods　for　basic　research　in　condensed　matter　physics.　This　paper　summarized　the　cutting　mechanism　and　cutting　force　in　the　nanocutting　process,　including　the　mechanism　of　nanocutting　and　brittle-ductile　transition.　The　influence　of　RTS,　temperature,　wear　and　subsurface　phase　transformation　on　cutting　performance　is　also　discussed.　At　the　same　time,　the　characteristics　of　cutting　force　and　friction　coefficient　during　the　cutting　process　are　reviewed.　After　that,　the　simulation　and　experiment　research　of　the　nanocutting　process　are　analyzed.　At　the　end　of　the　paper,　the　challenges　and　prospects　of　nanocutting　technology　are　proposed　and　summarized.