The Confucian manuscripts of Guodian bamboo which unearthed in 1993, five virtues (Wu-Sing) and Zhi-Yi of the manuscripts quoted the book of songs (Shi-Jing) and the book of historical documents(Shu-Jing). The citation of Wu-Sing, which about Shi-Jing focus on moral mind and unity of the virtue of heaven and man. The citation of Zhi-Yi, which about Shi-Jing and Shu-Jing focus on moral politics, principle of punishments, morality of speech and act, benevolent friend and the way of heaven. Therefore, Pre-Chin Confucianism confirms that Shi-Jing and Shu-Jing are the books of classic about thinking, which besides as the books of songs and historical documents; on the other hand, Confucian classics include the teaching of achieve virtues and practical theory by interpreting Shi-Jing and Shu-Jing. And this is the positive meaning of interpretation of the classics.