由於人口流動率的增加和世界經濟的成長，法律國際化已是非常明顯的事例，英美法和大陸法的融合正在快速進行中。本文第貳部份首先介紹現代世界主要法系的分類，作為本文探討的基礎；第參部份敘述國際上比較法的發展，以強調二者融合的趨勢；第肆部份提出美國法中原屬大陸法的法律原則，以驗證美國法發展過程受大陸法的影響；第伍部份探討歐洲繼受美國法的情形，作為原大陸法系國家繼受美國法的例證；本文結論主張，在美國法發展過程受大陸法的影響，與歐洲繼受美國法的情形下，英美法和大陸法已漸漸融合的情形下，對我國將來的法學研究上有許多啟示。

　　　　　Due to the increasing population mobility and the growing world trade, the internationalization of law has become a matter of great significance. The confluence of Common Law and Civil Law is also accelerating. The second part of this thesis introduces the taxonomy in the legal systems of modern world as the exploring basis of this thesis. Part three illustrates the trend of the confluence of Common Law and Civil Law; Part four presents European Rules in American Law to verify the influence of European law to American Law. Part five explores the reception of American Law in Europe to demonstrate the reception of American Law in traditionally Civil law countries. Part six, in conclusion, contends that the confluence of Common and Civil Law presents some implications of legal methodology in Taiwan.