This study aims to consider the change in value cognition of tree of city and clarify the species and the location of valuable trees in case of Osaka from the Edo Period to the present day. The sources to obtain data necessary for analyzing what the valuable trees were like are the lists of them contained in some publications focusing on famous tree in the Edo Period, the pre-modern age, and protected trees and giant trees in the modern age and the present day. The analyses of the lists made it clear that the value of tree of city was placed on object of appreciation in the pre-modern age and object of conservation as natural treasure after the modern age, and is placed on symbol of nature in the recent day, that the most valuable trees were changed from pine and cherry tree in the pre-modern age to camphor tree after the modern age, and that it has been unchanged shrines and temples are the major location for valuable tree all the time since the Edo Period.
