Puppy diary is a literary form that records their daily life from the perspective of puppies. This form is produced to let readers know more about the inner world and thinking mode of puppies, and then better communicate and get along with them. Puppy diaries usually contain daily habits, preferences, emotional changes and interactions with their owners. These contents will be presented from a unique perspective, making it easier for readers to resonate with puppies. By reading puppy diaries, people can better understand the needs and preferences of puppies, and then better take care of and cultivate them. At the same time, the puppy diary is also entertaining and interesting, which can make readers understand the world of puppies more easily and happily. In a word, the puppy diary is an interesting and practical literary form, which can help people better understand puppies and establish a more harmonious relationship between pets and their owners.