This is an encyclopedia of nature written by my father to my children. It is a book with all the knowledge in the story and interest, which enables children to understand nature completely from their interests. It contains three parts: "animals are fierce", "plants are crazy" and "climate is very arrogant". In the past, encyclopedia knowledge often appeared in the form of entries, such as dictionaries and encyclopedias. Every chapter of the Encyclopedia of nature in this book starts with interesting stories and interesting things. This is an unprecedented natural encyclopedia that can be expressed in a chatting tone. It is suitable for 7-12 years old pupils to read, more suitable for parents to read to their children.