Large-scale reclamation project pre-planning is a systematic analysis and demonstration of many professional disciplines,including market demand,project approval,project construction,environmental protection,operation management,benefit evaluation,etc.Taking the large-scale reclamation project pre-planning in Chang’an new district of Dongguan as a study case,we consider first the actual needs of the project operation and analyze the management policy and approval process of the marine administrative department,and propose the planning idea and promoting means in the early-stage work of the whole process for the industrial planning,urban planning,project reporting,project approval,management mode and ecological coastal planning,etc.,summarize the experience of early-stage land reclamation engineering practice of Chang’an new district,and probe into integrated solutions for problems in the early-stage land reclamation engineering.