Abstract: The lactic food corn is very popular on the market.The economic performance is too very good,is a cultivation mostly and all however,having a lot of disadvantageous factors like this,such as in the aspects of protecting the water and increase,anti-far-gonely,all worse.But if in lactic eating the foundation of the corn in addition a overlays completely different.The lactic food a plastic corn not only in the aspects of protecting the and increase the temper,anti-disease the result is very obvious,but also cans be then steady to produce,high produce.Although compare in the aspects of managing the common corn take a lot of time,fee work,but most important of is the lactic eats the economic performance of a plastic corn high.This is also a biggest advantage in corn in plastic in food inlactic.