This study aimed to explore the effect of applying Story Grammar Instruction on young children's story comprehension in the remote area, as well as the teacher's teaching professional development. Using action research method, the researcher served as a teacher and taught the children in the Story Grammar Instruction. The participants were five children at age 5 in the preschool in a remote area. Data sources included classroom observations, children's worksheets, evaluation forms of story grammar, pre- and posttests of Peabody Picture Vocabulary Test, teaching reflection notes, and co-teacher's feedback. The results were as follows. (1) The children improved their abilities of story element comprehension and vocabulary comprehension. They mostly raised their scores on the story element comprehension during the guidance and independent practice periods. Their scores on the post-test of Peabody Picture Vocabulary Test were higher than those on the pre-test, and so were the percentage scores. They gradually comprehended the stories and retold the stories. (3) Through the action research, the researcher adjusted the teaching based on young children's learning, improved the teaching methods, and developed the abilities of action research conducting, as well as promoting the teaching profession.