| 1 | There are fewer researches about Liu Zongyuan s epistles among the investigations of his writings. | |
| 2 | In these books, Liu Zongyuan believes in Confucianism, merges Buddhism, depreciates Taoism; | |
| 3 | Two principal characteristics of Liu Zongyuan s travel writings (poems and essays) are the direct symbolicalness and the indirect expressivity. | |
| 4 | In the transformation of the Tang literary works from rhythmical prose to other literary writings, the achievements of Han Yu and Liu Zongyuan s classical prose are of great importance. | |
| 5 | Part VI :It can start to define and review Liuyuxi place of the circle of poets in the middle of Tang Dynasty through comparing with Hanyu-Liuzongyuan and Baijuyi. |