Life-and-death matter，the same to insects. This book explores the theme of "a community with a shared future" from the perspective of the relationship between humans and insects,the periodic rhythms of all living species are like polyphonic music,the voices are independent but harmonious,all things grow,grows continually.Simultaneously,Remind children to appreciate the beauty of nature,proceed from"useless but beautiful",with a view to ecological civilization,remodeling the simple heart of human.