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Several strategies for food crop production in China for adaptation to climate change were advanced, based on crop modeling experiments and related agroclimatic indices , under the equilibrium GCM climate change scenarios. GISS and UKMO scenarios were respectively chosen for southern and northern China to conduct these experiments, because they seem to have had more dramatic effects on crop yields in these regions. The food crop simulation models including CERES series were validated for 23 sites in the main food crop planting areas of China to examine their suitability to simulate rice , winter wheat and maize production, using the local agronomic, soil and weather data for more than 3 successive years.