Does Ni's theory of keeping a house still apply now?

Applicable. According to the query of Guangming. com. Ni's yangzhai theory is now applicable to all kinds of houses, including buildings. The key is to correctly understand the principle of the layout of the villa, that is, to adjust the indoor and outdoor atmosphere by using geographical, meteorological and environmental factors. The common Chinese characters (first-class characters) first appeared in Xiao Zhuan in Shuo Wen Jie Zi. Its original meaning refers to discussing, analyzing and explaining things, and then extended to thinking, as well as commenting and discriminating.