The ancient dyeing technique is used to make blue calico, and the unique color baking process is used to make the colors rich.

Caomu Bense Dyeing Workshop is a traditional hand-dyeing workshop located in the Xizha Scenic Area of Wuzhen, Tongxiang, Jiaxing, Zhejiang Province, covering an area of about 2,500 square meters. The workshop uses bluegrass as raw material, adopts the ancient dyeing technique to make blue calico, and has a unique color baking process to make the colors rich. The raw materials are derived from local plants such as tea leaves, mulberry bark, and Rhus typhina leaves. The cloth drying field of the dyeing workshop is paved with blue bricks, and the high poles and step-type cloth drying racks are full of cloth being dried, fluttering in the wind, making it a popular place for tourists to take photos. Tourists can not only visit the process of dyeing cloth, but also buy unique blue calico products as souvenirs. Caomu Bense Dyeing Workshop is not only a scenic spot in Wuzhen, but also a window for displaying traditional culture, allowing tourists to experience the charm of traditional handicrafts.