Abstract:The last ten-day period of a month in september carrying out statistic analysis, analysing the middle ten days of a month in june at the same time glorifies maize per unit area yield and the same term meteorological data making use of 1980 Suixi county summer in 2006, heat, the water resource distribution characteristic and produce the effect developing to summer maize. Result is indicated: that meteorological phenomena of Suixi county summer maize the exponent undulating is 0.105 3, accounts for that summer maize output is undulate 37.9%; The number, is the undulate key meteorological phenomena affecting summer maize output in july time the last ten-day period of a month average temperature, the last ten-day period of a month in august precipitation, the sunshine being hit by the last ten-day period of a month August factor; The glossy water of temperature change trend is identical with maize need. Having given birth to a child the draining off being going to adopt the select and use familiar, middle late variety of middle, suitable scheduled time early sowing , irrigating in time, be postponed gains waits for technology measure, climate resource, hastens after wealth and avoids damage, realize the summer maize stable high yield in order to fully utilizing.