According to the 50year meteorological data of Chaozhou, the characteristics and regularities of climate change are analyzed. It is found in the past 20 years: the temperature rose gradually; high temperature days in summer increased significantly; low temperature and frost days in winter, low temperature and rainy weather in spring, and chilling damage in autumn in risk of significant harm reduced; seasonal precipitation changes were more evident: in the last decade，spring rainfall decreased and summer rainfall increased obviously; the occurrence probabilities of heavy rainfall and other extreme weather events increased. The influences of climate change on the growth, development and yields of crops in Chaozhou are analyzed, and the agrometeorological suggestions and countermeasures, such as the adjustment of planting season and planting layout, are proposed, to provide references for agricultural production of Chaozhou to adapt to climate change.