Generally do not need to blanch, to make shiitake dumplings stuffed with fresh shiitake mushrooms suitable for the use of fresh shiitake mushrooms. Fresh shiitake mushrooms should not be blanched in water, as some of the amino acids in shiitake mushrooms will be lost if they are blanched in water, and the correct way to do this is to rinse them with water. And since the active ingredients of shiitake mushrooms are water-soluble, they should be washed in short bursts of water.

The protein of shiitake mushrooms contains 18 kinds of amino acids, 7 of which are essential amino acids. The mushroom also contains a lot of glutamic acid and various sugars, which are important substances that constitute the nutritional value of the mushroom's inherent fragrance and flavor. Nutritionists say that the nutritional value of shiitake mushrooms is four times higher than that of beef, and that shiitake mushrooms are the "pinnacle of plant foods". Only the correct cleaning can preserve the original nutritional value of mushrooms.