To use administrative discretion correctly, we need not only the control via law, but also to establish some moral boundary.
行政自由裁量权的正确行使，不仅离不开法律控制，而且需要设立道德边界。
2
Administrative discretion's moral boundary consists of the moral principles which the administration subjects should follow.
行政自由裁量权的道德边界，由行政主体在行政自由裁量中应当遵循的道德原则所构成。
3
Through analyzing and categorizing of damage action within stock issue, exchange and intermediary markets, theory foundations that determine the boundary of administrative control are provided.