Abstract:Asanimportantecosystem)urbanparkshavegreatpotentia1forrainwaterandf1oodmanagement)buttheu- ti1izationofrainwaterresourcesnedstobeimproved.TakingWuhanLandscapeScienceParkasanexamp1e)thecurent situationoftheparkwasinvestigatedandana1yzed)andtherainwateruti1izationpotentia1oftheparkwasestimated.On thisbasis)agren spacequa1ityimprovementdesignideabasedontheimprovementofrainwateruti1izationpotentia1was putforward)focusingon.infi1tration)storageandpurification,)aimingtoprovidemorepractica1guidancefortheim- provementandtransformationofurbanparkgrenspacerainwaterf1oodfunctionfromtheaspectsofeconomy)practica1- ityandefectivenes