Buildingaforestcityrequiressufficientareaofurbanforestsandanexpeditewatercirculatingsystem.TakingShanghaiasanexample,itisproposedthatChinashoulddevelopitsurbanforestrythroughnetworkingofforestsandwaterareasduetohighdensityofpopulation,limitedlandresourcesandpoorwatercirculatingsystem.InordertodevelopaconceptionofurbanforestwithChinesecharacteristics,thispaperelaboratesimplications,foundation,evolutionanddevelopmentofthenewconceptionthroughcomparativestudiesofurbanforestdevelopmentinsideandoutsideChina.