Considering?the?multi-function?features?of?the?greenway?such?as?“ecological, cultural,?recreational”and?so?on,?the?construction?of?the?city?greenway?can?be?combined?with the?slow?traffic?system,?the?heritage?corridor,?and?the?stormwater?management?system,which is?beneficial?to?solve?a?series?of?environmental?problems?encountered?in?the?development?of city?construction,?cultural?protection?and?ecological?restoration,?etc.This?paper?analyses?the greening?pattern,?the?slow?traffic,?the?heritage?distribution?and?the?rain?flood?discharge?of?the old?urban?district?of?Xi’an?from?the?“middle?scale”?perspective,?and?puts?forward?the?basic strategy?and?concept?plan?of?the?green?corridor?network,?the?slow?traffic?network?system and?the?rainwater?storage?network,?and?then?points?out?that?the?combination?of?the?three?as?a complex network systemmay provide references for the construction of the city environment of the old city in the middle scale.