在法理学中,习惯法一般被认为是一种非常重要的法律渊源之一,而商事交易习惯法则可以说是商事法的重要法源之一。历史上,商事交易的习惯法就成为中世纪西欧商业迅速繁荣和商法不断完善的重要推手,因此,对商事交易习惯法的法源作用得到了包括大陆法系国家、英美法系国家和我国法律的一致认可。 In jurisprudence, customary law is generally considered as one of the most important sources of law, and the customary law of commercial transactions can be said to be one of the most important sources of commercial law. Historically, the customary law of commercial transactions has become an important promoter of the rapid commercial prosperity in Western Europe in the Middle Ages and the continuous improvement of commercial law in the Middle Ages. Therefore, the legal source role of customary laws on commercial transactions has been extended to many countries, including civil law countries, common law countries and our law Unanimously approved.