Zhou Zuoren was a modern Chinese essayist, a literature theorist, a translator, a thinker and a pioneer of folklore. Taking some of his prose as an example, this essay attempts to explore the value of natural history and science communication. In the field of modem Chinese popular science, why was Zhou Zuoren left out in the cold？ What is the difference between his prose and the contemporary works of popular science？ Why were his writings labeled as leisurely essays by most people？ At the early stage of development of modern natural history, there was sincere willingness and ability of the deep-level exchanges between humanities and sciences. The boundaries among the traditional culture, folk custom and modern scientific knowledge were not clearly defined yet, so they can complement and improve each other. Reading Zhou＇ s prose which contains folk custom, sinology and western natural history from today＇ s perspective, we can find it have a deep thought and care about the nation, society and the lives of ordinary people, hence provide a contemporary revelation.