This paper describs a case study of foundation engineering for forming sand and oval stone piles through the action of quaking, water striking,pouring and packing by a pile driver. The piles and packking mud are combined, forming a compound foundation to support the upper loads. This paper introduces the design and construction of this engineering. In order to check this method for consolidating the soft foundation,the loading test and the settlement observation in site are made. After the construction work,there has been an organized technical identifying meeting. The result out of the identification is positive.