The specific differences are as follows: 1, version A is for liberal arts students and version B is for science students; 2, B is relatively difficult to write than A, and the knowledge is a little more difficult. They are all high school textbooks; 3. The setting order of modules is slightly different; 4. There are different teaching methods of solid geometry, one is traditional teaching method, the other is modern vector teaching method; 5. Compared with version A, version B contains the spatial coordinates of spatial geometry and the contents of probability analysis and statistics, and the editors of the two books are not the same person.