This article explores the comparative research of fables' structure between Hain-Fei-Tsu and Lin-Sh-Chuen-Chiou. Referring to the structure, they have large, medium and small fables' group styles of systematical organizations and magnificent structures. As to separate structures, Ⅰ divide them into ”on one chapter” and ”between one chapter and the other”. There are ”going-ahead style” and ”beginning bracket style” in the former. Ⅰ compare the differences between them and explain the reason why Hain-Fei-Tsu has few tail bracket style and twin bracket style. For between one chapter and the other style, they all have the structures of parallel style, repeating style, turning style, going-forward style and chain style. They have the similarity between the differences and the difference between the similarities in the structures. From the above-mentioned comparative research of similarities and differences, we will more understand the thought and emotions of each work and realize the feelings of the readers and apprehend the author's creative origins.