1, according to the query subject network, first of all, all the knowledge points in the first volume of senior two are listed in the contents of each subject, and the knowledge points are classified according to the subject, and then the subjects are subdivided according to the chapter or theme.

2. Draw a tree diagram on paper or computer, and fill in the knowledge points in the tree diagram one by one according to the sorted order. You can focus on the subject, with each chapter or topic as a branch, and fill in the knowledge points under the corresponding branch. In the process of drawing the knowledge tree, you can highlight the key knowledge points with different colors or marks, and use red or bold to indicate the contents that need special attention.

3. Finally, check the knowledge tree for omissions or errors, and make corrections and improvements.