Functional syllabus of second language teaching is the applying of the function thought in the field of second language teaching.

There were distinct differences between ecological habit and the pattern of adaptation of birds of the different species,moreover,the diversity of shape and structure of corresponding tarsometatarsus had differentiated,so the choice of adaptability of avian tarsometatarsus and its corresponding functional behavior had come into being.

With the metonymy classification made by Panther and Thornburg as a starting point and their State-of-Affairs Scenario as an analytical instrument,the predicative function and illocutionary function of metonymy are explored.