The administration of the Sangha during the Thonburi period followed the model established in Ayutthaya
Main religion = Theravada Buddhism (ลัทธิเถรวาท)
The king invited the well-known monks from the capital to teach the undisciplined monks in the North and brought them back to the main Buddhism doctrines.
He allowed French missionaries to enter Thailand, and like a previous Thai king, helped them build a church in B.E. 2323.