This building, called Chengqi Building, was built after six generations of ancestors and grandchildren. It took a total of 81 years to build this Tulou King, which integrates human civilization and wisdom. Chengqi building has the functions of residential,defense and storage. It is still inhabited, and is said to have been inhabited by more than a thousand households in its heyday.
The family name of the residents in Chengqi building is Jiang.This building is larger than other ordinary Tulou buildings. The earth walls on the ground floor are 1.8 meters thick.The building has 400 rooms. The building is a ring within a ring structure, a total of four circles from the top.