There were two types of ancient Chinese literary Ci, namely "ancient poetry" and "modern poetry". The ancient poetry style referred to the classical poetry after the Tang Dynasty, represented by the works of Du Fu, Bai Juyi and other Tang Dynasty poets. Its characteristics were the pursuit of profound artistic conception, sincere feelings, concise language, often using short sentences such as seven-character and five-character quatrains. Modern poetry referred to the classical poetry after the Song Dynasty, represented by the works of Su Shi, Xin Qiji, and other Song Dynasty poets. Its characteristics were the pursuit of beautiful rhythm, accurate wording, and rich emotions. It often used long forms such as seven-character and five-character poems. Ancient poetry and modern poetry are both important components of ancient Chinese literature. Each has its own unique style and characteristics, which have a profound impact on later literature.