The rule of foreseeability is the basic among these methods, and, should be supplemented and corrected by the use of the theory of the protection purpose of the norm, being abstract and uncertain standards.

• 可预见性规则是违约方损害赔偿的基本的限定规则，依该规则，可预见性的判断标准为一抽象的不确定标准即社会一般人的预见能力，从而可预见性规则不是十分严密，应以规范保护目的说予以补充和修正；