Soico-psychological functions of zoological gardens were considered from various angles. Firstly, the meaning of the research in zoological gardens was discussed. In Japan, the Japanese Association of Zoos and Aquariums was established in 1939. Recently, "Zoo Science"as interdisciplinarity science is advocated. In such situations, the importance of constructing brand feelings for zoological gardens was emphasized. Secondly, the psychological scale to measure the brand feelings for such institutions was developed. The reliability and validity of the scale were confirmed by the investigation for female undergraduates. Thirdly, a future view about "Tennoji Zoo" located in the central part of Osaka city was given. Especially, excursion behaviors around "Shinsekai" area and "Abeno" shopping area seem to be a significant factor of attracting customers to "Tennoji Zoo."