Introduction to Chunyang Palace: The fifth palace is where Lu Chunyang, a real person from Huayang, visited the fairy palace where Master Xuansu lived. Lu Chunyang is Lu Dongbin, one of the Eight Immortals. Lu Dongbin, a native of Yongle County, Puzhou, Tang Dynasty, one of the Eight Immortals, was born on April 14, the 14th year of Zhenyuan, and was named Chunyangzi. He traveled around the south of the Yangtze River, drunk at Yueyang Tower three times, played with white peonies three times, and climbed the Yellow Crane Tower three times. , and left the Luan symbol in Chibijitou. When Lu Dongbin traveled to the south of the Yangtze River, he stayed in this cave for a long time, preached scriptures and sermons with Tianshi Xuansu, and left many scenic spots in the cave.