As China enters a new stage led by "science and technology education," this paper aims to explore the design strategies and practical paths of interdisciplinary subject learning in junior high school geography from the perspective of science and technology education. By analyzing the interdisciplinary thematic learning case of grade 8 ' Exploring the principle of water and sand ', this paper puts forward the design strategy and practical path of interdisciplinary thematic learning from the perspective of science and technology education, and reveals its practical characteristics from the multiple paths of ' in-class inquiry-after-class expansion-field scientific examination ' in the perspective of science and technology education. It provides a practical model and implementation path for front-line teachers to carry out interdisciplinary thematic learning from the perspective of science and technology education.