This study aims to examine the existing law-protected trees in the city of Daejeon and find out the way of creating urban small parks by utilizing them. To do this, this study reviewed previous research papers and scholastic writings, and surveyed present conditions and usage patterns of the 135 law-protected trees in the city of Daejeon.The result shows that the sites of 114 law-protected trees are possible to create as urban small parks and the sites of 42 trees, among them, have proper location and condition through the result of an evaluating sheet. To create urban small parks using the law-protected tree, considerations are as follows. First, the age, the origin, the tale, the cultural heritage, and so on should be carefully investigated through the scholastic research and survey. Second, systematical management system should be organized to maintain ecological sustainability. Third, each protected tree belongs to the community and the consciousness of citizens should be elevated to have a strong affection to them by educating and informing as a cultural heritage and a community symbol.