自唐代以来中国与周边许多国家来往密切,随着经济的发展在《唐律疏议》中出现了“化外人”一词并被后世所沿用,这被认为是中国最早的准据法,但与现在涉外刑事案件的法律适用,以及《涉外民事法律关系适用法》在适用范围、法律适用原则以及具体规定方面有诸多的不同之处,有些内容具有其局限性,但仍值得我们去借鉴学习。一、唐朝涉外法律关系适用范围1.唐朝“化外人”的适用范围 Since the Tang Dynasty, China has had close ties with many neighboring countries. With the development of economy, the word “outsider” appears in the Tang Dynasty and is used by later generations, which is regarded as the earliest evidence in China However, there are many differences between the applicable law of criminal law concerning foreign countries and the applicable law of foreign-related civil law in the scope of application, the principle of legal application and the specific provisions. Some contents have their limitations, but they still deserve our To learn from. First, the legal relationship between the Tang Dynasty scope of application 1. Tang Dynasty “outsiders” scope of application