Due　to　the　ability　of　the　strong　anti-interference　and　directly　digital　controlling,　digital　valve　has　great　applications　and　developing　potential　in　the　filed　of　high　frequency　response　digital　servo　valve.　Base　on　the　rotating　structure,　a　novel　high　frequency　digital　valve　which　can　be　rotated　and　controlled　in　differential　parallel　way　is　designed,　and　the　frequency　characteristic　of　electrical　signals　converting　into　rotation　signals　is　developed　through　differential　and　parallel　control　of　valve　spool　and　valve　sleeve.　Meanwhile,　the　hydraulic　natural　frequency　of　servo-screw　mechanism　is　further　enhanced　by　the　control　way　of　hydraulic　half-bridge　type　A　in　both　chambers　of　valve　spool,　and　corresponding　mathematical　model　and　control　block　diagram　are　built.　Theoretical　analysis　concludes　that　the　frequency　response　characteristic　of　digital　valve　is　developed　significantly.　In　addition,　the　multi-gain　of　rotation　angle　and　axial　displacement　of　valve　spool　is　realized　through　milling　the　spiral　grooves　with　different　helix　angles　in　the　inside　of　valve　sleeve,　which　improves　the　flow　adaptability　of　high　frequency　digital　valve　effectively.　Compared　to　traditional　rotary　digital　valve,　the　designed　novel　digital　valve　that　can　be　controlled　by　rotating　differentially　and　parallel　has　greater　advantages　in　high　frequency　response　and　flow　adaptability,　it　provides　a　new　scheme　for　engineering　applications　of　high　frequency　digital　valve.　©　(2014)　Trans　Tech　Publications,　Switzerland.