过失相抵是指当受害人对于损害的发生或者损害结果的扩大具有过错时,依法减轻或者免除加害人的损害赔偿责任的制度。此种因受害人对损害的发生或扩大具有过失,而相应地减轻或者免除加害人赔偿责任的制度,在各国民法中有不同的称谓:我国台湾地区“民法”称为过失相抵,德国民法典称为“Mltverschulden”(有的译为共同过错、有的译为与有过失),日本民法则称为过失相杀,英美国家通常使用“contributory negligence”(有 Negligence is the system that alleviates or eliminates the damage liability of the perpetrator according to law when the victim is at fault in the occurrence of the damage or the result of the damage. This kind of system which has the fault caused by the victim’s occurrence or enlargement of the damage and correspondingly reduces or eliminates the liability of the perpetrator has different names in the civil laws of various countries: “Taiwan’s civil law” The Civil Code is called “Mltverschulden” (some are translated as common mistakes, others are translated as mistakes), and the Japanese civil code is called “negligence.” Anglo-American countries usually use “contributory negligence”