1, download mindmanager.

2. Open Insert Insert, Mind Map, and create a new blank map.

3. Double-click the unnamed file and enter the title: human immune type.

4. Select the title text box, start and sub-topic, add a secondary branch, and also add its subordinate branches, and enter relevant contents.

5. Select the secondary branch text box, start with the same topic, enter the content, and then click the sub-topic to add the subordinate branch.

6. Select the branch theme, start and outline, and set the font size and color. Mind mapping is an effective graphic thinking tool to express divergent thinking. It is simple, effective and efficient, and it is a practical thinking tool.