提 要：古罗马在对外不断扩张的过程中，出于处理涉及异邦人法律纠纷的实际需要，于公元前242年设立了外事大法官。古罗马外事大法官对罗马法的贡献主要体现在两个方面：在实体法方面，创制了以外事大法官告示为主体的万民法；在程序法方面，创制了程式诉讼程序。

关键词：罗马法；外事大法官；万民法；程式诉讼

Title: On the Contribution of the Praetor Peregrinus to the Law of Ancient Rome

Author:Wu Shoudong, Ph. D. Candidate, School of Law, Jilin University, Changchun, Jilin, 130012, China.

Abstract:During the expansion period of Ancient Rome, on the practical needs of handling peregrines’ law disputes, Ancient Rome establishes Praetor Peregrinus in 242 B.C.. The Praetor Peregrinus made contributions to the development of Roman Laws in the following two aspects: in the substantive law, it creates Jus Gentium with the edict of Praetor Peregrinus as its main body; in the procedure law, it creates the Processo Per Formulas.

Key words:Roman Law; Praetor Peregrinus; Jus Gentium; Processo Per Formulas