Here is a concise introduction to Tang Dynasty official hats (in Chinese–English comparison: Tang Dynasty Official Hats), distinguishing between the two major systems of everyday formal headgear (fu tou) and court ceremonial headpieces (chaohui guanmian), along with their core design features and hierarchical distinctions:

I. Fu Tou (standard everyday attire for all officials)

1. Alternative names: zhe shang jin, wu sha (typically made of black, lightweight gauze), with an inner lining called jin zi (supported by bamboo, wood, rattan, or lacquered gauze, which determines the top shape; styles include the flat-top small model, the “Wu family princes” style, the “Prince Ying” tipped style, etc.)

2. Evolution of design: in the early Tang period, it was worn loosely with soft padding and flexible brims; by the mid-to-late Tang, rigid brims emerged (supported by iron or copper wires to maintain their shape), with a variety of brim styles; it was typically paired with round-collared robes, leather belts, and high boots.

3.