“有信必有款”的侨批使潮汕地区与外港各地在商业制度领域紧密结合。以20世纪三四十年代的潮汕侨批档案为资料,厘清当前侨批研究中的一些模糊问题、发掘侨批业繁荣背后的制度动因,无疑具有研究价值和现实意义。研究发现,以侨批业为代表的潮汕传统商业不仅有健全的行业制度,还进行了制度创新,从而带动了潮汕商业的繁荣和商业伦理的发展。 “A letter will have a paragraph ” The overseas approval to Chaozhou-Shantou and Outer Hong Kong in the field of business systems closely integrated. Based on the archives of the Chaoshan Overseas Chinese Archives in the 1930s and 1940s, it is necessary to clarify some vague issues in the study of overseas remittances and find out the institutional motivation behind the prosperity of overseas Chinese businesses, which undoubtedly has research value and practical significance. The study found that the traditional business of Chaoshan, represented by the Qiaofei industry, not only has a sound industrial system, but also carries out institutional innovation, thus boosting the prosperity of Chaoshan business and the development of business ethics.