Zongbingfu was Nan'ao commander's office during the Ming and Qing dynasties. It was put together by Yu Jifang, the then Nan'ao vice commander. The current building is the product of rebuilt. In front of the Zongbingfu, there is a cannon on both sides. In addition, there are two large banyan trees in front of the building. Legend has it that Zheng Chenggong had lectured under these trees in the late Ming Dynasty and recruited soldiers to recover Taiwan. Therefore, this tree is also known as the "recruiting tree."