1. Materials that play an auxiliary role in the production of products: raw materials for many light industrial production and agricultural supply.

2. It refers to the auxiliary raw materials in cooking, such as green onion, coriander, agaric, etc.

3. Accessories refer to accessories of clothing or down clothing, such as zipper, button, pocket label, etc.

Auxiliary material is the auxiliary material of clothing, shoes, bags, hats and other personal wearing articles, in addition to the main fabric, which plays the role of connection, decoration, function and so on. Accessories grow and change with the history of clothing. In the age of Ru Mao Yin Xue, when people wore leaves and animal skins, the rattan used for binding was the auxiliary material.

In ancient China, accessories were seldom used, mainly rope. In the image of Tang Feitian, the flying ribbon is the embodiment of ancient accessories decoration.

From the Ming and Qing Dynasties, accessories began to be widely used. The main reason for people's pursuit of elaborate decoration is the complexity of clothing. At this time, accessories are mainly reflected in embroidery, and Suzhou embroidery is the peak of the development of accessories in Ming and Qing Dynasties. Usually, feathers and jade are often sewn on clothes as decorations.