Study on the Idea of Taiyi in Jiugong in the Huangdi Neijing;

From Mathematic view,this article analyses Jiugong,the Eight Diagrams and Chinese Zodiac in versatile map of Thangka in order to find trails of ethical cultural interaction.

The "nine-rectangle-grid" is a very simple plan, but it plays an important part in Chinese architecture developing process.

Solving the Problem of "JiuGongTu" by VB Program;