Author Cao Xueqin, by his huge talent, the grand idea,
profound bold handwriting vigorous style,
described Jia, Shi, Wang, the Artemisia stelleriana four big families inside and outside,
every one, from all sides,
then unfolded a broad social picture,
and promulgated the aristocrat social class the rule to approach the collapse the feudal society last stage social characteristic and certain essential factors.