《泥之河》的主角是信雄等几名儿童,研究儿童心理,有利于人们更好的理解《泥之河》所表达的主旨。本文首先对《泥之河》这部作品进行简单的介绍,然后着重对《泥之河》中的板仓信雄、松本喜一、松本银子、丰田家兄弟五名儿童逐一进行论述,这五名儿童的心理各不相同,最后对板仓信雄与松本喜一心理不同的原因进行分析。本文研究的目的就是使人们对儿童心理有个更加深刻的认识,重视儿童心理,更好的教育儿童,让儿童能够健康、快乐的成长。 The protagonist of “The River of Mud” is a few children such as the hero who study the psychology of children and help people to better understand the theme expressed by “River of Mud.” This paper first introduces the work of “The River of the Mud” briefly, and then focuses on one by one the five children of Tadashi Banten, Matsumoto Kiichi, Matsumoto Silver, and Toyota brothers in “The River of Mud” The psychology is different from the last of the Itakura Makoto and Matsumoto a psychologically different reasons for analysis. The purpose of this study is to make people have a more profound understanding of children’s psychology, pay attention to children’s psychology, better educate children, so that children can grow healthily and happily.