Abstract:Agaricus bisporus is one of global edible fungus and very popular with consumers.There is a series of irreversible physiological phenomena such as wilting and browning after picking.Low temperature storage is in 3 to 5 days.It is easy to lose commercial value and edible value and cause unnecessary waste of resources.The preservation of Agaricus bisporus is the key to market demand and industrial standardization.The pretreatment and preservation techniques were reviewed in the world at present.It can be increased by two to five times by pretreatment or preservation of Agaricus bisporus.