Hairy tofu is a kind of artificial fermentation method, which makes the surface of tofu grow slender plush hyphae (plant protein), which is the inspiration of Huizhou's humid climate. Because the vegetable protein in tofu is transformed into amino acids by fermentation, it tastes fresh after cooking. This rich flavor is called "the flavor of hometown" by Huizhou people.

The legend of hairy tofu. According to legend, after Zhu Yuanzhang captured the city, he sent troops north to station troops in Jixi. People in this area often use tofu to make soldiers work. Later, they were given too much tofu, so they couldn't eat it for a while. When it is hot, tofu will grow white and brown fluff. In order to prevent waste, Zhu Yuanzhang ordered the cook to fry first, and then stewed with a variety of seasonings, and a unique hairy tofu was produced. After Zhu Yuanzhang ascended the throne, he served this dish to Zhu Sheng, a Hui counselor in Shexian County, and this dish returned to Huizhou. After many workshops to improve the production process, today's characteristic Anhui cuisine has been formed.