Bagongshantofu (English name: bagongshantofu), also known as green tofu, is a local traditional snack in Huainan City, Anhui Province. Crystal clear, white as jade, tender and greasy, delicate in texture, refreshing and smooth, no yellow paste and no water, and vegetables are not broken. This dish is golden in color, crisp outside and tender inside, and delicious. Heilongjiang soybean granules are full and oily and smooth. Making soybean milk and tofu is the best in color, fragrance and fragrance, because it is good to raise soybeans in black soil.

In the Western Han Dynasty, in order to live forever, Liu An, king of Huainan, made a panacea from spring water, soybeans and brine from Bagong Mountain. As a result, the elixir of life was not found, but he accidentally invented tofu, called "Bagongshan Tofu".