Lin says that in old times officiators of the rituals would purify themselves beforehand so as to be able to feel the presence of the spirits. They would keep a vegetarian diet, refrain from all labor, and concentrate on recalling the memory of the ones honored.
林素英指出，古代祭祀者為了在祭典中能與鬼神相感通，在祭祀之前必須先行齋戒，屏除一切雜務，集中精神以專心懷念先人。