Abstract
This paper is a link in the chain of studies whose purpose is to analyze the epistemological foundations of the teaching theories of Social Studies. The purpose of this paper is to analyze the teaching theory of "Social Studies for developing children's thinking ability" based upon the theory of knowledge in pragmatism. The result of the analysis is as follows: 1) The content in Social Studies is the network of knowledge that is discovered by teacher's problem-solving. 2) Through the teaching process, children learn to replace their common sense with new ideas based upon their problem-solving.