Abstract: In order to ascertain the temperature variation in greenhouse in alpine cold region, forecast greenhouse temperature variation, the level of regulation of greenhouse temperature to provide a basis. Using the daylight saving temperature and indoor and outdoor temperature and meteorological data in Datong County from October 2012 to 2013 May in Datong National Modern Agriculture Demonstration Zone, the author analyzed the greenhouse temperature variation in alpine cold regions under different weather types. The results showed that: the average temperature in alpine cold region during the test greenhouse diurnal and autumn, winter and spring temperatures in Q3 showed a typical diurnal variation of the ‘single peak’ type. Clear Temperature lowest in 08:00, cloudy and overcast delayed 1 h; indoor temperature max: sunny>cloudy>overcast, minimum: cloudy>overcast>sunny, cause diurnal: sunny>cloudy>overcast, diurnal variation of indoor temperature in different seasons were different; different types of weather when times inside and outside the greenhouse, the average and maximum, minimum correlation between performance: cloudy>overcast>sunny, correlation coefficients were greater than during the day and at night, minimum temperature in different weather types were high correlations, maximum temperature sunny, cloudy days had no obvious correlation between the two, cloudy had a high correlation; larger temperature difference between inside and outside the greenhouse in winter, warming effect was remarkable.