The sachet was called "sachet" in ancient times, also known as "wearing curtain", "allowing fragrance", "sachet" and "purse". Qingyang is commonly known as "tight" or "play". It uses colored silk thread to embroider various patterns with ancient, magical and profound connotations on colored silk, and sews them into embroidered small cloth bags with different shapes and sizes. The bags are filled with fine powder developed from a variety of fragrant Chinese herbal medicines, which can be used for seasonal celebrations, practical life and ornamental use.