Abstract:Combines with characteristics of cluster firms ,this paper summarizes 20 impact factors of firm ecological cooperation.Through the data collecting from four industrial clusters in Hubei Province ,obtained 168 valid questionnaires. Furthe makes a principal component analysis with the help of SPSS17.0 and finds out the four factors impacting the ecological cooperation of cluster firms, namely ,external pressure and support factor, cluster resource and ability factor, environment activity cost factor and willingness to cooperate with the commitment factor .Survey results show that: the factor of external pressure and support has the highest influence ,and policy support and encouragement of government is driving factors, and the senior leadership intention, by-product exchange quantity and the pollution discharge fee law enforcement is the restricting factors .Finally put forward relevant countermeasures and suggestions.