This article reports, accorcing to the different morphological characters and physilogical traits, the mixing ways and methods of medium and middle late mature varieties. And it gives the mixing ways of the long-stalked and larger ear varletes with medium-lower and multiple ear varieties. It also gives the best mixing planting and transplanting ways in different proportion and 1:1 of mamy varietes. The yield increasing results and proportion of each mixing way have been achieved. The ablities of disease and falling resistance of mixing variefis have been evaluated.