Abstract: Having unique content and customary worship rituals and activities,patron god belief presents distinctive ethnic features in the Bai people inhabited places.It is constructed in social life and reflects the connotation of it of the Bai people.The custom of “Jiehua” (custom of marriage) in the five villages of Eryuan County typically reflects the distinctive regional culture of marriage perception of patron god belief,showing the difference of patron god belief between the five villages and other villages,and the diversity of patron god belief and differentiation of villages as well.This custom,in a way of rituals and activities,shows the five villages’ belief and practice in thrift,kindness,filial piety,presenting a culture of marriage perception mixed with divinity and secularity.With its adaption to time context,the custom of “Jiehua” has illustrated the change of regional marriage culture and its realistic value as well.

Key words: patron god belief, “Jiehua” custom, culture of marriage perception, mixture of divinity and secular