Why is it necessary to learn foreign languages? At school we study a foreign language for several years, but often we are forced to learn a foreign language. Many people underestimate knowledge of a foreign language. But a foreign language is often needed for work or travel. Knowledge of a foreign language adds confidence to a person. Also, people who learn foreign languages improve their IQ. Learning a foreign language helps to overcome the language barrier while traveling. Even basic knowledge will help to solve some situations. Our memory improves while learning a new language, because a lot of time we learn new words and train our memory.