In particular, Daoists 'choice of places to identify as fairy grottoes, apart from being suitable places to refine elixirs in the hope of transcending death, also responded to the mood of the times and to practical needs. Hence rich, fertile soil suitable for growing rice, and locations out of reach of natural disasters and human wars and turmoil, became essential requirements for the blessed abodes.
尤其道教對洞天福地的選擇，除適合煉丹以求超越生死，更順應時代人心，擴大為滿足人們實際需求，土地肥沃祥和，適合生產稻米，天災人禍不及也成為福地的要件。