The moment it appears in the mental and linguistic activities of ancient scholars, ya xie has already possessed two major roles, the role as an emotional outlet and that as a satire and remonstration.

• 当它一开始出现于古代士人的心智活动和语言活动时，它就具备了两个方面的主要功能：情绪导泄功能和讽谏功能。