In Changan city,Tang Destiny temples,which might be built by royal family asgong de temples,which might be the private houses donated by ministers of,or which might be constructed by wealthy people,were various in their styles and sizes.It can't be deied that,considering the quantity and density, temples in Changan were the best in the country at that time.This article will focus on the development of regional Buddhism,and the advantages and reasons of the variety of temple in Changan.