On the bank of Luoma Lake, 18 km from Suqian city, there is a ancient town of Zaohe, which has a close relationship with the Emperor Qianlong. The ancient town of Zaohe became a market in the late Ming and early Qing dynasties, and it was very lively. Qingxi Emperor Kangxi nineteen years (AD 1680), Governor Fu Sang opened the old Zaohekou, Zaohe Ancient Town became the main thoroughfare of the Grand Canal from north to south, merchants continued to sail, and gradually became the North Jiangsu, Lunan, and the Arctic The prestigious trade center. The most famous building in the ancient town is called the Qianlong Palace, also known as the Dragon King Temple. During the reign of Shunzhi in the Qing Dynasty, the Anzhen Longwang Temple was built and Kangxi was rebuilt in the past twenty-three years. After the restoration and expansion of the emperors of Yongzheng, Qianlong and Jiaqing, the northern palace-style buildings that now cover 36 acres, surrounded by red walls, and the courtyard of the three courtyards are closed. "The reputation." The Emperor Qianlong went down to the south of the river six times, and it was called "the Qianlong Palace" five times. From the south to the north of the Qianlong Palace, the Zen Gate, the Bell Tower, the Drum Tower, the Imperial Pavilion, the Palace of the King, the East Palace, and the West Palace are all built according to the official style of the Qing Dynasty in Beijing. There are also official paintings of the Qing Dynasty. vermilion wall, solemn and sacred, this Longwang Temple is like a palace with regular structure, which has been included in the national key cultural relics. Since the Qing Dynasty, the three days of the eighth day, the first nine days, and the first tenth of the first lunar month of the lunar calendar are the days of the Soybean Anzhen Longwang Temple Fair, especially on the first day of the first month of the first month.