Comrade Peng Yu spent his childhood and youth here. On the east side of his former residence is Peng Yu's study "Dequ Book Room". It was originally Peng Yu's study room. Three rooms are wide, wind volcanic walls, construction area of 96 square meters. In the summer of 1922, Comrade Peng Xu and his wife Cai Suping moved here to live, and organized a group of six people agricultural association here. When the first east expedition in 1925, Zhou Enlai's ministry met Peng Xu in the "Dequ Bookstore" to establish a special branch of the CPC Haifeng, Peng Xuan's secretary, and studied history.