Yonghe Palace was the place where Yongzheng lived before he became emperor in Qing Dynasty, and Kangxi gave his fourth son Yin _ Yong Qin Palace. Later, Yongzheng became emperor and changed the Lama Temple into a palace. After Qianlong succeeded to the throne, the Lama Temple was changed to the largest Lama Temple in China. Incense has always been very prosperous, and because of the emergence of two emperors, the Lama Temple is also known as the "land of long Qian Fu".