The soaking time of dried Agrocybe aegerita is related to the water temperature. If it is soaked in cold water, it will take a long time, about 3 hours, because the water temperature is low. However, if it is soaked in warm water, the soaking time will be shortened, about 15-30 minutes, but if it is soaked in hot water, it will take about 5 hours.
When soaking dry Agrocybe aegerita in hot water, it is not advisable to soak it for a long time, because the soaking time is too long and the temperature of hot water is high, which will dilute the fragrance of Agrocybe aegerita, lead to the loss of nutrients of Agrocybe aegerita and reduce the taste of Agrocybe aegerita.