ThedeforestationonlargescaleintheupperreachesofYangtzeRiverhascausedseriousproblemsofecosystemandenvironment.Restorationofthedegeneratedforestecosystemsisoneofthemainresearchfields.TakingGonggaMountainasanexample,degenerationfeaturesandexistingproblemsofforestecosystemsareanalyzedinthispaper,andthemeasuresarealsoproposed.