Research on the protective tourism development of Liu Yongfu s former residence of Qinzhou in Guangxi;

The Hardships Liu Yongfu Suffered When Returning to China after the Anti-French War;

The Relationship Between Liu Yongfu and Cen Yuying in the Sino-French War;

Individual s Existence Under Eternal Happiness——Kierkegaard s point of subjective existence;

CHEN Yin-que, WU Mi and LIU Yong-ji:Corresponding Poems;

The Communication and the Unscrambling of the Information of the Music Culture——Revelation form the art pursuing of Erhu player and educationist Liu Chang-fu;