Lu's Spring and Autumn Annals made a summative criticism on the thoughts of the pre-Qin philosophers. The article "Parr" said: "It is a noble person, Confucius is a noble person, Guanyin is a noble person, Ziliezi is a noble person, Chen is a noble person, Yang is a noble person, Sun Bin is a noble person, and his son is a noble person." It believes that these different concepts should be unified. "One rule, the difference is chaotic; One is safe and the other is dangerous. "Only when the thoughts are unified can we" go our own way, be clumsy, and do our best, like a hole ". "The process of unification is actually the process of critical absorption. Therefore, Lu Chunqiu reformed, developed and sublated all his thoughts.
Lv Chunqiu preserved the different theories of the pre-Qin philosophers, and recorded many old things in ancient history, old sayings, lost articles in ancient books and some ancient scientific knowledge. Lv Chunqiu won people's praise. Sima Qian called it "the preparation of all things, ancient and modern, Chinese and foreign." In Baoren An Shu, it can even be compared with Zhouyi, Chunqiu, Guoyu and Lisao. Gaoyou in the Eastern Han Dynasty said in his notes that "all the philosophers have great power". Objectively speaking, Lu's Spring and Autumn Annals is not a systematic philosophical work. It has certain ideological value, but more importantly, its material value.