Cooperative learning is a process through which students with various abilities, gender, nationalities and different level of social skills carry out their learning process by working in small groups and helping each other. Cooperative learning is a pedagogical use of small groups which enable students to maximize both their own and others' learning. It is flexible instructional techniques and strategies known as methods. As Salvin (1983) confirmed, these methods mostly aim at the development of cognition, which includes thinking, remembering, concept formation, problem solving, and logical reasoning, in social contexts. In this paper author discussed cooperative learning, Methods such as Group Investigation (GI), Learning Together (LT), Reciprocal Teaching of reading (RTR), Cooperative Investigated Reading and Composition (CIRC), Jigsaw I & II and benefits and Advantages of Cooperative learning.