The teaching mode of "two sisters (Li) in politics for postgraduate entrance examination" is considered to be easy to understand, especially suitable for beginners of political study. Her teaching philosophy is to make students score more than 80 points in politics in the postgraduate entrance examination, so that students can learn politics happily in the postgraduate entrance examination. Her mind map can help students learn politics to the greatest extent. When the mind map is sorted out, students will basically master the content of this chapter. Therefore, it is reliable to take the postgraduate entrance examination for political twin sisters.