Abstract: Beijing Nanhaizi Milu Park Museum, commonly called Beijing Milu Park, is also known as Beijing Milu Ecological Research Center or Beijing Biodiversity Conversation Research Center. The concepts of aesthetics are manifested in the construction of nature landscape and popular science facilities, the spread of humanistic philosophy and scientific research works, which form a unique aesthetic style. The aesthetic values of all aspects in the construction of Beijing Milu Park are explored based on the principles and theories of aesthetics: creating the ecological ambiance of suburban park through the construction of the proper environment for milu( Pere David's deer) , creating historical and cultural ambiance through the historical style of constructions and by exploring the cultural connotations of Milu; producing aesthetic pleasure among the visitors through diversified popular science education; creating the beauty of science and technology through scientific research and further study of exhibited objects. The aesthetic sense and psychology of the visitors are discussed based on the styles and contents of exhibition in Beijing Milu Park.