A programming assistance technical solution for a framework-based application program. The application program contains program files and configuration files, including: processing configuration files of an application program history base into a configuration file classification base according to types of frameworks; constructing a Closed Frequent Subtree Set according to the configuration file classification base and determining a support of the Closed Frequent Subtree; and providing the Closed Frequent Subtree Set and the support for programming assistance. The technical solution of the present invention can be employed to assist in programming of a framework-based application program.