Yam mouthparts are sold in all major vegetable markets in Qingzhou, and also in general farmers' markets. Yam mouth skin is light yellow, white and bright, with little fine hair and smooth overall.

Yam mouth, commonly known as yam seedling, is the planting part. Simply put, it is the tip of yam, where it germinates first in spring. If you want to buy yam in Qingzhou, go to the nearby vegetable market.