With doubt, I consulted a large amount of literature, to understand the relevant theories at home and abroad, and the research status. Combining and analyzing the teaching content of the "graphics understanding" part of each grade in the elementary school, through interviews with front-line teachers and observation of classroom teaching, analysis of student assignments and tests. Understand the current teaching status of primary school space concepts. According to the existing problems and the causes, corresponding teaching strategies and suggestions are put forward.