Abstract: Ningcheng county in 2012 spring corn whole growth period for 147 days.Fertility period general climate features are： the temperature normal slightly tall,slightly more than the perennial precipitation,sunshine partial less.JieShang spring rain, saturating rain timely,on maize seeding,the emergence of seedlings is very favorable.The summer rainfall is much,local appear hail,gale disaster,also appears short time the drought.First frost appear earlier,local appear frost disasters.The weather conditions on the influence of spring corn growth is more good than harm,food production is expected to recapture the harvest.