Spiced dried bean curd, also known as Langgongzhai dried bean curd, is said to have originated in the Eastern Jin Dynasty. In the thirty-first year of Qianlong's southern tour, he passed by here, and he was "full" and listed as a tribute. Since then, it has gained the reputation of "the best dried bean curd in the world". Rural workshops for processing spiced dried bean curd with traditional techniques in Lanling are mainly distributed in Dazhong Village, Shikeng, Liu Jing, Milongwang, Xiaoling, Shenshan and Lanling. Spiced dried bean curd is made of high-quality natural soybeans, soaked with various natural plant spices by traditional manual techniques, and deeply organized by unique manual processing techniques, presenting excellent taste. It is rich in protein and carbohydrates, and contains various amino acids needed by human body. Long-term consumption makes people healthy and live longer. It is a good gift for traveling and staying at home. This product has also participated in national, provincial and municipal agricultural products fairs for many times, and has been highly praised by customers.