Huaiyam is a geographical indication certification trademark.

Huaiyam medicine

"Compendium of Materia Medica" calls Huaiyam medicine a fairy from Chu. Regular consumption has the functions of strengthening the spleen and stomach, relieving diarrhea, resolving phlegm and saliva, moisturizing the skin, lowering blood pressure, It has medicinal effects such as blood sugar, anti-tumor and anti-aging. It is also a delicious vegetable that can be steamed, cooked and stir-fried.

Dock Town, Huaiyin District is the origin of Huaiyam and has a long history of planting. The town is located on the tidal flat of the abandoned Yellow River, and the sandy soil is suitable for planting Huaiyam. It is mainly concentrated in Taishan, Xinhe, Yu The yam produced in Ba, Jiuxian and other villages has short and thick rhizomes, many root hairs, good quality, white and tender meat, high starch content, sweet and delicious, and is a good seasonal tonic.