In addition to in-depth discussion on the author of Mister Lv's Spring and Autumn Annals, his purpose of writing the book and the interpretation of core ideological content of cherishing life, preserving health, controlling oneself and governing the country, the book especially selects and studies topics with more arguments to carry out textual research with rich literature data, and put forward new opinions on the year of writing and arrangement of Mister Lv's Spring and Autumn Annals.In addition, the book compares relevant literature and specific to conduct comparative reading, explains the following relationship between Mister Lv's Spring and Autumn Annals and pre-Qin thinkers, settles Gao You's Annotation for Mister Lv's Spring and Autumn Annals, explains the annotation styles and lists documentary evidences from Gao You's Annotation for Mister Lv's Spring and Autumn Annals to see the important functions of Gao's annotation on textual research of Confucian classics.