Lü Dongbin
The Grand Temple is for the worship of Taishang Laojun (), Lü Dongbin () and Qiu Chuji (). The middle one is Laojun. Laojun is one of the three highest deities of Daoism. According to Daoist classics, Laojun manifested himself in the form of Laozi, the Great philosopher of ancient China, best known as the author of the Daodejing (). Lü Dongbin is one of the Five Patriarchs () in the Quenzhen School. He is one of the earliest masters of the tradition of Internal alchemy (). Qiu Chuji was a great disciple of Wang Chongyang (), the founder of Quanzhen School. He was also referred to as the founder of Longmen Sect.