On Peculiarity of Tourism Esthetic in Comparing "flow" with"rove;

As one of the important concepts of the leisure theory, the "flow" emphasizes the aesthetic of dynamic participation and the difference between it and roam, which not only expands the scope of the aesthetic study but also pushes forward the study of the leisure theory.

The"flow" is an important concept of leisure　theory.

On Paper-making Technique Invented by Cai Lun;

An Investigation of the Origin of Paper making Technology in Ancient China and Cai Lun’s Position in Paper making History;

Floc paper and Cai Lun;

Cai Gan's Experience in Syndrome Differentiation and Treatment of Functional Constipation;

Characteristics of Professor Cai Gan s Herbal Pastes for Chronic Gastrointestinal Disorders;