Black herring is a blue fish. It is fleshy, sweet, flat and non-toxic. It contains 19.5% protein and 5.2% fat, as well as calcium, phosphorus, iron, b 1, B2 and trace elements zinc. There are many ways to do this, and splashing water with black herring is one of them. The main ingredients needed for the recipe are black herring and the required. Suzhou cuisine has the functions of delaying aging, preventing cancer, invigorating qi and reducing swelling.