Abstract: The present paper presents a detailed account of the theories associated with child language acquisition from a psycholinguistic perspective and the issues associated with acquisition process of language in language development of child in different language context; In characterizing language, the theories of language development differ in the weight that they ascribe to various dimensions It further explore the Connectionist theories thus model language acquisition at the neuronal level: its outcomes in language; describing how particular grammatical structures such as the inflectional system may be acquired in particular. Finally it discusses and evaluates the theories and models to be taken into account in research by the researchers in child language acquisition.