Zhengyang County is fruitful of peanuts. Owing to its comfortable climate and loose soil, the peanuts planting here are big, plump and full of oil. Accordingly Zhengyang County becomes the biggest oil-put county of the country.

Its eye socket, mouth and abdomen are all black. It's also called “Triple-White donkey”. Straight nape, fleshy musle, easily breeding make it favour by people.

Biyang is a county with the largest mushroom production. Biyang mushroom ranks first in the country. Biyang mushroom and its deep processed products sell well at home and abroad.

The gingle's planting in dougou town of Zhengyang County has a history of over a hundred years. It tastes brittle but not messy, cooking not transmutative, acrid and low hydrated. It is not only good confident, but also has the function of being good at stomach, driving the cold etc.