2. Although the name is tacky, it has a long history. It's a traditional snack unique to China. It's ancient and traditional, which makes people want to stop. Raw materials for production include soybean, fermented soybean, soda ash, etc. There are regional differences in the way of making and eating in China and other parts of the world, and their tastes are quite different, but they all have the characteristics of smelly and fresh. The stinky tofu in Changsha and Nanjing is quite famous, as are the stinky tofu in Taiwan Province, Zhejiang, Shanghai, Beijing, Wuhan and Yulin.