Language learning is the process of learning to speak and understand a foreign language. It helps children to acquire practical commands of language. It is a result of deliberate and conscious effort for a better understanding of foundational skills of language learning.In learning a language, students make mistakes. Mistakes are the errors that are committed when students cant master a language or a topic in the learning process.In learning a language mistakes are natural and indicators of learning. Mistakes are a necessary condition in the learning process to give insight into children's thinking.Mistakes help in learning as they make teachers aware of learners' learning styles to cater to them according to their needs. Mistakes help learners to maximize their potential at different levels.The teacher has to identify and assess these mistakes of children to identify the patterns of errors or mistakes that students make in their work so that these can be minimized or removed.Hence, it is clear that In learning a language mistakes help in learning.