2, this is because the fungus in the soaking process will absorb a lot of water, in the process, the fungus itself contains some of the weak toxicity of the material, as well as the dirt on it will also be dissolved in water. In other words, the fungus absorbed is actually some dirty water. If the fungus before frying with boiling water blanching, you can effectively make the fungus out of the water, so that after the treatment of the fungus more healthy. After blanching, the fungus is very easy to dry, so it is not easy to fry the pan when frying.