(1) Select materials around the theme: the theme is the theme and core of the graduation thesis, and it is the theme thought extracted from the analysis and observation of the exhibition.

(2) Select typical materials: The typical materials of graduation thesis mainly refer to materials that can reflect the nature of objective things and * * *.

(3) Choose authentic materials: The materials of graduation thesis must conform to the objective reality, accurately reflect the objective things, and make the graduation thesis academic and scientific.