Truffle is a rare edible fungus that is highly praised by diners in some European and American countries and is known as "underground gold" Truffles begin to grow in the summer, and the best time to pick and eat them is from November to March of the following year. According to statistics, Huidong County's annual truffle output is about 150 tons, accounting for 80% of China's total and 20% of the world's.
In order to guide the development of the truffle industry, the county issued the "Implementation Opinions on Accelerating the Truffle Industry"