The characteristics of climate warming since the late 1980s and their influence on winter wheat at seedling stage in Jiangsu province were discussed.The temperatures of wheat through winter and at seeding and seedling stages were analysed.The influence features of climate warming on winter wheat in Jiangsu province suggested as follow:①the influent time occurs during the stage from seeding through winter;②the influent area is located in the north region of the Huaihe river and the south region of the Yangtse river;and③the minimum temperature is upward apparently.Finally,some practical countermeasures of agricluture production and management were provided.