Depravation, the representative novel by Yu Dafu attracted wide attention and discussion once published. Till now there are a lot of explorations on its theme with compliments or denouncements. This paper thinks that the writer has showed and approved human' s dignity and values from the angle of people' s spirit, emotion and beauty of human nature. Depravation embodies the brave pursuit of personality liberation and the value of cultural sociology, such as the dilemma between tradit...