The ceremony of worshipping the king by fishermen on Mudun Island is a memorial activity spread among fishermen in the Mudun Island area and Hongze Lake area of Bancheng Town, Sihong County, Suqian City. It is also a mysterious and solemn folk culture of sacrificial nature among fishermen in the Mudun Island area and Hongze Lake area. Mudun Island in Bancheng Town is the birthplace of this folk custom. This ceremony is mainly distributed in fishing villages, fishing grounds, and fishing boats along the Hongze Lake area under the jurisdiction of Sihong County, especially in Hong'an and Anhekou in Bancheng Town. It is popular among fishermen in Linhuai Town in Sihong County and fishermen in Xuyi County. The ceremony of worshipping the king by fishermen on Mudun Island originated in the Tang Dynasty. That year, a scholar named Xu took a boat to Mudun Island on the eighth day of the fourth lunar month on his way to take the imperial examination. When he was about to go ashore, a sudden strong wind blew, the boat capsized, and all the people on the boat fell into the water. The scholar struggled to rescue all the people who fell into the water to the shore, but he was drowned by the lake. The fishermen on the island were grateful for the scholar's life-saving virtue, so they built a temple on the shore and made a golden statue for him for future generations to worship forever. The scholar's behavior also moved the heavens, and the Jade Emperor named him the King of Hongze Lake. From then on, the King of Hongze Lake settled on the island and the lake area, and became the only god believed by the fishermen on Mudun Island. The memorial activities reached their peak during the Ming and Qing Dynasties. At that time, the fishermen always regarded the "king" as the "water god" who controlled mankind, and held a ceremony to worship the king and pray for blessings in front of the bow of the boat during festivals. Now, there is still a saying among the local people that "burn paper money during festivals and worship the king regardless of whether you have money or not." The fishermen on Mudun Island still follow the custom of worshiping the king on the first day of the first lunar month and the eighth day of the fourth lunar month. The ceremony of worshiping the king by the fishermen on Mudun Island is mostly carried out at the bow of the boat, and has fixed procedures and contents. 1. Raise the flag. That is, raise the king's flag on the flagpole 10 meters high at the bow of the boat; 2. Hang (god hanging). Hang and post various paper-cuts, talismans and golden baskets at the ceremony site; 3. Invite the king. Amid the sound of firecrackers, hang the image of the king in the middle of the talisman and the golden basket; 4. Offer sacrifices. Place various offerings in front of the image of the king; 5. Start a fire with wine. Place wine glasses, candles and incense tables on both sides of the offerings and fill the wine glasses with wine, and light the incense and candles; 6. Respect the king. The entire family or all personnel participating in the ceremony kneel down and kowtow to the image of the king and perform kneeling rituals; 7. Sing the gods. In front of the image of the king, after the incense and candles are lit, a special "Duan Gu" artist team sings; 8. Hang wounds. The worshiper cuts his left shoulder with a knife in front of the image of the king until bleeding, to show the king's divine power; 9. Kill. Kill pigs and sheep in front of the image of the king and place them in front of the image of the king; 10. Set off firecrackers, send off the gods, and the ceremony is over. The ceremony of worshipping the king by fishermen on Mudun Island is divided into family worship and family (collective) worship. The family worship time is the first day of the Lunar New Year; the family (collective) worship time is the eighth day of the fourth lunar month. The family (collective) worship ceremony is the most grand, sometimes it lasts for four days and four nights. The ceremony of worshipping the king by fishermen on Mudun Island has two major characteristics: one is that it lasts for a long time and has a wide range of fishermen participating; the other is that the inheritance method is special. There is no written bibliography, and it is all family-style inheritance, oral and heart-to-heart. The ceremony of worshipping the king by fishermen on Mudun Island has a distinct and profound folk cultural heritage. It embodies the wisdom of the people of Mudun Island and the lake area, preserves the folk art and folk customs of the lake area that are on the verge of being lost, reflects the rich ancient atmosphere, and is a unique regional folk culture. The ceremony of worshipping the king by fishermen on Mudun Island is a comprehensive art. Its ceremony involves folk music, paper-cutting, fishermen's life customs and other aspects, and has precious historical value and cultural and artistic value.