According to Taoist legend, there is a sacred mountain named "abbot" on the sea, where immortals live, so they live in Danfang, also called "abbot". According to Records of the Historian, "Wei, Xuan and those who sent people to the sea to seek the three holy mountains of Penglai, the abbot and Yingzhou were scattered in the Bohai Sea, not far away. If you suffer, the wind will take you away. Those who cover the taste are the best, and all the fairy medicines are in the air. " According to Shan Hai Jing, there are three fairy mountains on the sea: Penglai, Yingzhou and abbot. These mountains are fairyland with elixir of life. Mirages that often appear in Penglai waters have aroused people's enthusiasm for seeking immortality and medicine. Many ancient emperors, such as Qin Huang and Hanwu, began to seek immortals in Penglai. "Historical Records" contains "Xu Shi, Qi people, wrote that there are three holy mountains in the sea, named Penglai, abbot and Yingzhou".

There are three sacred mountains: Penglai, Abbot, Yingzhou, Qionghua, Shuiyunxie and Yingtai. Kunming Pool in Qingyi Garden, Pengdao Yaotai in Yuanmingyuan and Sanxian Island are lined with Longwang Temple, Jianzao Hall and Zhijing Pavilion.

Penglai mountain. The name of the sacred mountain in ancient legends. Also often refers to fairyland. "Historical Records Zen": "Declare and send people to the sea for Penglai, the abbot and Yingzhou. These three holy mountains have their blessings in the Bohai Sea. " Song Chen Shidao's "See Wu Xiu Zhang Wenqian" poem says: "Fame is paid to the public, and the road to return is in Penglai." Ming Wang? ? "Story of Chun Wu: Speaking of Sword": "Born in Penglai, I was thrown into the world by chance."

According to legend, Emperor Wu of the Han Dynasty visited Shandong Peninsula many times and boarded Ya Dan, which broke into the Bohai Sea, in search of "Penglai Wonderland".