Abstract: Family Xiao of Lanling is one of preeminent high officials of Chinese medieval times,through 400-odd years of Liang,Chen,Sui and Tang dynasties without any trace of retreating from the sphere of high officials.This paper intends to have an initial explanation of the formation and transformation of the faith of family Xiao and excavate the interactive relationships between the transformation of faith of high officials represented by Xiao and the transition of Chinese politics,ideology and culture.