In this paper, we take the 201 radicals as the object of our study, by way of using statistical and analytical methods of database, comprehensively and systematically researching and analyzing the origin, evolution, forms of structure of these radicals. Based on this, study on the multiple relationships of the 201 radicals and HSK2905 Chinese Characters just like the frequency, position and function of these radicals when they are used for constructing Chinese Characters.