List of the titles of the articles selected for Literature Review 1- Born to learn: LANGUAGE, READING AND THE BRAIN OF THE CHILD by 2- Child L1, Child L2 and Adult L2 Acquisition: Differences and Similarities by Unsworth, Sharon 3- Why Child L2 Acquisition? By Bonnie D. Schwartz 4- Kids speak: How Children Acquire Language by Jean Aitchison 5- Mother and Infant Talk about Mental States Relates to Desire Language and Emotion Understanding by Taumoepeau, Mele 6-How do second language learners build syntactic structure by Eva M. Fernández 7-The Relationship between Second and Heritage Language Acquisition by Andrew Lynch 8-THE CHILD AND THE WORLD: How Children acquire Language by Allott Robin 9- How children acquire language By Cindy Fisher 10- The acquisition of language by children by Jenny R. Saffran, Ann Senghas, and John C. Trueswell. 11-The acquisition of complex sentences: a case study in the role of theory in the study of language development by Robert D. Van Valin, Jr. 12- Takaaki Talking: A Case Study of Infant Language Acquisition in a Bi-Lingual Bi- Cultural Home by Ihata, Anne C My literature review is about the children acquisition of the first language. I want at the end of this paper to give an overview about the results of the information I got from those articles to demonstrate the differences and the similarities between adult acquisition of language and child one. The questions that came to my mind when I choose the topic and I hope to answer through this literature review are as follow: 1. How infants learn language with such remarkable speed? 2. How do infants acquire and produce the speech sounds (phonemes) of the community language? 3. How do infants find words in the stream of speech? 4. How do infants link words to discover the meanings of words? 5. "Why do we not learn new languages as easily at 50 as at 5?" 6- Are there any differences in the stream of learning between a child who is acquiring a first language and another one who is acquiring L2? 7- To which extent the family environment influence the child acquisition?