Fried mushrooms need to be blanched with water. Mushrooms belong to the fungus, growing in the dark and humid environment, easy to carry other bacteria. Blanching can sterilize them and make them cleaner. So it is necessary to blanch mushrooms before frying, but the blanching time is short and ineffective, and the blanching time is long, the loss of nutrients, the fresh flavor is gone, and the taste will be much worse, so the blanching time should be well controlled. Before blanching, break the mushrooms into small pieces, boil the water in the pot, clean the mushrooms, put them into the pot and blanch them, so that the oxalic acid in the mushrooms can be removed, reducing the odor of the mushrooms, so that the mushroom's flavor is more pure, and also reduce the water of the mushrooms. Mushroom (scientific name: Agaricuscampestris) is a mushroom family, mushroom genus of fungi, also known as white mushrooms, foreign mushrooms, belonging to the umbrella fungus order Umbelliferae subphylum, is the world's artificially cultivated more widely, higher production, consumption of edible fungi species, many countries have cultivation, of which China's total production accounted for the world's second place.