Because the “Hong Kong ethnology” is absurd in theory and lacks persuasion，the University of Hong Kong “academy” advocates “Hong Kong citizen nationalism”.They attempt to integrate the local and pan-factions with “citizen nationalism” and construct them as the theoretical basis of “Hong Kong independence.” At present，the theory is not yet mature，the discussion is more rough，extremely absurd and loopholes，in the “one country two systems” and the Hong Kong Basic Law under the framework of the basic connotation of the Chinese nation，especially in China's modern history of the evolution of the situation in detail And the summary，the original source，from the fundamental discussion of “Hong Kong national theory” and “public Hong Kong people nationalism” irrational，illegal and dangerous.