Children's philosophy education is conducive to the cultivation of students'good thinking quality. The guidance of philosophical ideas can ensure the development direction of children's philosophy education. In the continuous construction of teaching materials, teachers and students gradually overcome the habitual poor thinking quality, and the good thinking quality gradually takes shape in the continuous honing. The optimization of teaching organization and the democracy and freedom of the inquiry community are not only the faithful practice of the good discipline character of philosophy, but also the premise for innovative construction of teaching materials. The evaluation of children's philosophy education focuses on the process of thinking, the significance of discovery, independent thinking and rational exploration, rather than the evaluation itself. The four together constitute the mechanism of the improvement of children's thinking quality, so as to achieve the vision of cultivating students' good thinking quality.