Every September, as the new semester comes, the news always report some talented people who get to the university at the early age, such as a 14 years old boy was accepted by the top university. A lot of young people played the joke that they couldn’ t let their parents know the news. People are so surprised by these young talents, wondering about these people must be born with high intelligence. Indeed, there are two factors that decides intelligence. One is the genes. Some people get the high IQ from their parents. There is no doubt that inheritance takes the important part in deciding if a person will be smart. The other factor is the learning environment. A person can complete himself by constant learning. A good learning environment helps a person to gain knowledge and make great achievement.