Lei Feng became an orphan before he was seven years old. His sixth uncle's grandmother adopted him. In order to help sixth uncle's grandmother's family, he often goes up the mountain to cut wood. One day, Lei Feng went to Sheshan to cut wood and saw an injured white snake. Lei Feng took it home and cured it. Later, White Snake practiced for thousands of years. In order to repay Lei Feng for saving his life 1700 years ago, he promised himself. Later, in order to commemorate Lei Feng, the world built a Leifeng Tower next to the West Lake.