摘要：The archaic functional vocabulary is highly with the legal features of formality and conservativeness and still holding a place in legal *** Berne Convention is a good example to study the use and translation of the archaic functional *** studying what archaic functional words or phrases are used in the Berne Convention,their meanings and the different use frequencies of them between the Berne Convention and the Copy Right Law of PRC,it has been found that arhcaic adverbs are used of low frequency,while some adjectives or adjectival groups as well as some prepositions or prepositional phrases are used of high *** use frequencies of the archaic functional vocabulary is higher in the Berne Convention than those in the Copy Right law of *** suggestions can be put forward to help improve translating Chinese legal documents into English or writing English legal documents.