This series of novels mainly tells the experiences and adventures of smiling cats, their families and friends. The novel takes the laughing cat as the narrator and uses diary writing to create a multi-level literary world in which animals and children participate together and fantasy and reality are combined.

Laughing Cat Diary observes the world, expresses feelings, experiences life, looks for value and reflects on childhood in the form of a diary, which shapes readers' outlook on life, world outlook and values.

The series of stories in Laughing Cat Diary are progressing according to time clues, and the development of stories and characters has causal logic continuity; And every story is constantly increasing complexity and twists and turns. When the story escalated from conflict to climax, the climax of humanity and emotion came as scheduled.

Immersed in the story, readers naturally accept the values and life education connotation put into the story by the author. At the same time, the plot of Laughing Cat Diary inherits the story tradition of world classic fairy tales represented by Grimm's fairy tales and Andersen's fairy tales, that is, the progress of the story shows that the protagonist of the fairy tale encounters hardships, experiences tortuous struggles or struggles, and finally overcomes the hardships and obtains a happy or happy ending.

In the book Rhetoric of Characters in Children's Literature, this kind of plot is vividly and aptly called "rising" plot, which embodies the hope and optimism of children's literature. Giving children readers hope and optimism is also the reason why Laughing Cat Diary can capture readers on the level of psychological identity. ?

In the rhetorical application of reduplication in Laughing Cat Diary, Yang likes to use reduplication to name many animals or characters in fairy tales.

All the duplicate names or nicknames that have appeared in Laughing Cat Diary are: the old mouse "Ball Ball", the monkey's eye-to-eye juggling, the little girl "Yiyi", the yellow dog "Huahua", the dachshund "Tuotuo", the Teddy dog "Yuanyuan", the autistic child "Baby" and the kitten's nickname "Fat Cat". This kind of reduplication is only phonetic reduplication, and has no function of modifying semantics.

Yang's name is related to children's speaking habits, which helps children better remember the name of the protagonist, better accept fairy tales and understand the meaning of fairy tales.