In the second part, he analyses its theoretical difficulties.In the last part, he expounds that the Marist philosophy is broad historical materialism.

• 第三部分正面论述了马克思主义哲学是从社会存在出发解释人的意识观念，除了社会历史观，还包括自然观、认识论、本体论的广义历史唯物主义。