Abstract: To grasp peoples cognitive law has a great significance on the personnel training. Based on the research result of biology and life science, the selfstrengthening function that exists in the cognitive organ itself is revealed from the perspective of cell evolution. Then cognitive model is established according to cognitive features of various stages individual, and corresponding training strategy is proposed. Finally, a brief summary and comparison of each stages cognitive characteristics is made. The knowledge of biology, life science, education science and cognitive theory is united.

Key words: selfstrengthening, cognitive model, cognitive ability, cognitive system

摘要： 把握人的认知规律，对人才的培养具有重要意义。基于生物学和生命科学的研究成果，从细胞进化的角度揭示认知功能部位存在的自强化功能；根据不同阶段个体的认知特点建立认知模型，用自强化理论对相应的认知特点进行科学解释，提出了与之对应的人才培养策略；对各阶段的认知特点进行简要的概括比较，从而实现生物学、生命科学、认知理论和教育科学的统一。

关键词: 自强化, 认知模型, 认知能力, 认知系统