1. Harvest. The seeds of Ligusticum chuanxiong cultivated in Sichuan plain are harvested from small to awn in the following year. Cultivated in Sichuan and northern mountainous areas, harvested in the following year from the small summer solstice to the big summer. Dig out the whole plant on sunny days, remove the stems and leaves, shake off the soil, dry the roots in the ground, dry the surface moisture and transport them back to processing.

2. It is being processed. The harvested roots should be dried in time. Sun drying or sun drying, mainly sun drying, takes a long time to dry. When baking kang, the firepower should not be too strong to avoid burning, and it should be turned 1 time a day. The semi-dry roots are put into a rectangular bamboo basket in the collision, and the two people carry them back and forth, so that the roots collide and rub with each other, remove the soil and fibrous roots, and then bake the kang. When it is almost completely dry, take out the rhizome and collide it to clean the fibrous roots, etc. And continue to dry until it is completely dry. So bake and knock, and pick out all the dry things at any time until they are all dry.

Chuanxiong medicinal materials

Generally, 667㎡ dry products are produced 100 ~ 150kg.