In recent years, with more and more reconstruction and redevelopment projects which are based on the old terminal wharf, both design and construction meets a series of unusual problems which need to be solved urgently. Considering lots of barriers underwater and the pile-foundation design, this article introduces schedules including the pile driving method of direct clearing obstructions, the method of punched hole concreting pile , and the method of impact-pile help pile driving. This article also analyzes in detail and summarizes the construction method of impact-pile, which will provide a useful reference for the selection of the structural design of similar projects and construction programs.