The reduplications are often used in the Creole rather than in Pidgins. Different from most of the Pidgins, Japanese Pidgin Chinese is featured by a great amount of reduplications. Nouns, verbs and adjectives derived from Lexifier and substrate can be reduplicated. The reduplications in the Japanese Pidgin Chinese are productive, which is not common and it is one of the reasons why we should conduct researches on them. The essay focuses on the descriptions and analysis of the reduplicated words.

In this paper, the first language acquisition mechanism reloading is used to interpret the origin of the reduplicated words of Pidgins. There are amounts of work on reduplication in Pidgins, Creole and children's language acquisition respectively, but few links have been made between them. The essay stresses the similarities of the reduplicated words in Pidgins and in children's language acquisition. It is probably under the same mechanism. The research may shed light on the language acquisition device.