The soft skin peeled off after the harvest of corn cobs is soft and sweet. Cattle and sheep love to eat. Especially when they are hungry, they often swallow in large pieces. Some rural households are busy with farming. In order to save time, it is very dangerous to feed cattle and sheep directly with the whole skin of corn on the soft skin. Because corncob soft skin contains a lot of crude fiber, the toughness is particularly strong, it is not suitable for chewing and digestion. It often accumulates in the petal stomach of cattle and sheep and causes obstruction. After a long time, it will ferment, corrupt, produce gas, and produce a large amount of toxic substances. Lead to cattle and sheep acidosis death.