Cities are always evolving, with new problems emerging endlessly, to which solutions are needed to explore. Researches on urban periphery and city edge carried out in Europe and America in the 1980s demonstrated the attention of planners to the problems appeared amid spatial development of cities. Taking Beijing as a case,this paper will deal with some issues concerning city edge and regional planning. Cities are always evolving, with new problems emerging endlessly, to which solutions are needed to explore. Researches on urban periphery and city edge carried out in Europe and America in the 1980s demonstrated the attention of planners to the problems. Taking Beijing as a case, this paper will deal with some issues concerning city edge and regional planning.