Abstract: In order to cope with climate change, master the temperature characteristics on the maize emergence date, and provide evidence for scientific adjustment of maize sowing date, the author analyzed the influence of temperature changes on the seedling emergence rate of maize, applied the method of sowing in different period. The results showed that the seedling emergence rate of maize increased with the temperature raising. There was a logarithm function relation between the emergence rate and average temperature from the middle the days of April to the first ten days of June. There was a linear correlation between the emergence rate and effective accumulated temperature above 12.0℃. There was an exponential regression correlation between the emergence days and active accumulated temperature. For maize sowing, steadily pass 12℃was the initial temperature, 14.0-18.0℃was the more suitable temperature, above 18.0℃was the most suitable temperature. And the same effect rule of the topsoil temperature did to emergence rate. The sowing initial temperature steadily pass from 10℃to 12℃was appropriate.