Introduction to Hongtai Fang: Hongtai Fang is located on the street of Health Care Street in the ancient town. It was built in the seventh year of Yongzheng reign in the Qing Dynasty. It is the best-preserved brothel site in Changsha since the Qing Dynasty. Hongtai Fang is a brick and wood structure with three entrances. The green brick wall is two meters above the ground, and is inlaid with a one-meter-wide adobe wall, which surrounds the "waist" of the entire building, like a jade belt wrapping around the entire Hongtai. Square, this is called "jade belt wrapped around the waist" in Feng Shui, which means wealth and good luck. As a museum of brothel history and culture, Hongtaifang displays China's brothel culture for thousands of years, using pictures, texts, engravings, pottery, objects and other forms to comprehensively tell the development and demise of brothel culture.