因果關係指行為與結果間所存在之原因與結果之關係。刑法與民法(侵 權)中對因果關係均有深入之探討，惟傾銷案件已彌漫整個國際舞台，其因果關 係之認定，常以「其中原因之一」來判斷低價傾銷與實質損害是否具有關連性。 民刑法之因果關係理論是否能適用於反傾銷之因果關係以判斷合理因果關係之 相當，乃本文探討之重點。

　　　　　In determining the existence of causation between the abnormal price and substantial injury to industries in anti-dumping charges, substantial factor or but for test (one of causes is sufficient) is often utilized to judge the existence of causation in antidumping issues. This article liiustrates judicial criminal and civil causation principles, attempting to find reasonable uniform rules for connecting relative causation in executive affiliates.