Nowadays, the structural family therapy has become the most influential theory and doctrine in the field of family therapy for its conciseness, availability and effectiveness. The present study systematically introduced the basic conceptions (e. g. family structure, family subsystem and family boundary), the four-step model and the main techniques (e. g. drawing fig- ure of family structure, actual performance, redefining problem, metaphor & displacement, clearing boundaries). Finally, t...