Abstract:From the point of view of Iconography, Tang Dynasty Treasure Appearance Floral Lines Pattern has changed through a period from simple to complicated and from complicated to simple. The inclined petal comes from honeysuckle pattern and pomegranate pattern, check mark petal comes from luckiness cloud veins, and cloud winding veins from peony design. These three petals have some commons in presentational symbol, and all kinds of construction form Treasure Appearance Floral Lines Pattern have commons in properties and exterior characteristics. It reflects the agriculture and handicraft industry of great prosperity in Tang Dynasty. The great prosperity of culture and arts has a lot of artistic forms, which contain luxuriant cultural connotation, and have been developing in the process of history.