The Chapter of Pure Practices in Huayan Sutra is a single sutra thathad been spreaded by Wu period in the three countries. From Western Jin Dynasty to Eastern Jin Dynasty and till the Tang Dynasty, it had become a product of the integration of Huayan Sutra. Its contents around the pure boddhicitta and practice of the samantabhadra's, and introduce the Boddhisattva how to establish the correct belief after practice correct behavior. There are one hundred and forty Great Vows in the Chapter of Pure Practices, which is the entrance of Learning Huayan practice, which far-reaching effects of Buddhist practice. Particularly, it plays an important role in promoting precepts in Chinese Buddhism after the Yuan Dynasty, also enhancing a higher realm of Buddhist practice for general sense of Buddhist norms.