Abstract: In order to research the microclimate differences and the conditions the microclimate which meet the need of vegetable growth in sunlight greenhouse in different years, to realize objective management in sunlight greenhouse, based on the microclimate data in sunlight greenhouse in the warm and cold years, combined with the meteorological conditions needed by the growth of cucumber, the author analyzed the microclimate differences, about temperature, sunlight and air relative humidity, in sunlight greenhouse between the warm year and the cold year. The results showed that: in sunlight greenhouse, the temperature was more suitable for the growth of cucumber in the warm year, and the sunshine was relatively abundant, while the thermal hazard risk was greater, so the management in sunlight greenhouse should focus on the prevention of thermal hazard; the heat in sunlight greenhouse in the cold year could not meet the needs of growth of cucumber, especially in winter. There was chilling or freezing injury risk in the cold year, so the management in sunlight greenhouse should focus in the prevention of chilling or freezing injury.