This paper tries to extract/identify the culture-genes of intangible cultural heritages according to the Theory of Traditional Settlement Gene （TTSG）. With invoking of the basic notions or methodologies of TTSG, this paper takes Fiery Dragon of Rucheng County which is the typical Hakka custom as a case of study. This report has to deal with some difficulties which exist in the theories and methods. And the first and foremost is how to identify the classical culture features （ or cultural genes） from the ample intangible heritages in part du...
