The Korean Folktale Boojeonghan-Chesayumsik is a type about of unclean event of ancestor worship. The Import of this story is composed of five synthetic paragraphs a) An salt sailer sleep in the side an cemetery and then he overhear ancestor's talk about unclean event of rite for them and a burn as divine punishment. b) The salt sailer seeks for descendants and inform the ancestor' talk. c) After getting the truth on the ancestor's talk, the descendant faces each other so as re-performing sacrificial rite or preparing medical treatment for the burn. d) Finally descendants cure the burn completely and since then they hold cleanness of memorial service for their ancestors.
In accordance with ancestor's talk and descendant's attitude, Boojeonghan-Chesayumsik tales divide three low type Ⅰ, Ⅱ and Ⅲ. There are wide differences between them. Firstly the low type Ⅰ transmits on the ancestor oriented cognition and shamanic or folkloric ancestor worship belief. Secondly the low type Ⅱ is based on the ancestor-descendant oriented cognition and folkloric or confucian ancestor worship belief. Thirdly the low type Ⅲ shows the descendant oriented cognition and confucian ancestor worship belief.