He points out the two overflights of agriculture problem according to the summary of experiences,and lesson about the co-operative contract.This is the summery and development of MAO Ze-dong.

• 邓小平对农业集体化历来十分重视，他总结合作化的经验、教训，提出了农业问题的两个飞跃，这是对毛泽东思想的总结和发展。