近年来，袋栽香菇发展很快。但袋栽香菇的畸形菇发生率较高，严重影响香菇的产量和品质。因此在袋料栽培中，要针对畸形菇的产生原因，及时采取相应措施。（1）大脚菇对于高温型品种，如菇出菌较迟，出菇时遇低温影响，易形成大脚菇。防止措施主要是根据选用的品种对温度的要求 In recent years, bagged mushrooms developed rapidly. However, the incidence of mushroom bagged mushrooms higher, seriously affecting the yield and quality of mushrooms. Therefore, in the bagging cultivation, to produce the reasons for Mushrooms, take appropriate measures in a timely manner. (1) Bigfoot mushrooms for high temperature type, such as mushroom out of the bacteria later, low temperature when fruiting, easy to form bigfoot mushroom. Preventive measures are mainly based on the selection of varieties of temperature requirements