Provided is a method and apparatus of dynamic loading file extraction. The method for extracting a specific dynamic generated file of an application running in an Android container environment includes conducting first analysis to identify if a file extension that is stored in the Android container corresponds to a preset critical extension, to extract a file with the critical extension, and conducting second analysis to identify a deleted file standing for a file deleted after stored in the Android container, and running the application again and extracting the deleted file based on a result of the second analysis.