Carbon anode materials were extracted by one step pyrolysis carbonization of waste separator films, then the effects of the temperature and the time on the carbonization products were also investigat. The results suggest that the optimized temperature and time were 420 ℃ and 120 min during the pyrolysis carbonization of the waste separator films, respectively. As the anode in lithium ion battery, the reversible discharge specific capacity of carbon anode was as high as 543.8 mAh/g at low current density of 50 mA/g; even cycling at high current density of 2000 mA/g for 1000 cycles, the reversible discharge specific capacity could remain 125.0 mAh/g, indicating satisfactory electrochemical Li-storage performances. These results would not only facilitate to alleviate the harm of waste separator film to the environment but also make full use the utilization value of waste resource and reduce the preparation cost of the electrode materials.