Abstract: With the method of the field investigation,studies were made of plant flora for urban greening in Chuxiong city. The results showed that there were 36 families, 68 genera and 104 species of urban green plants in Chuxiong City, including 7 families and 16 species of gymnosperms,and 29 families and 88 species of angiosperms. There were 22.22% world distribution,52.78% pan-tropical and 22.23% temperate in flora group of Chuxiong city,and China-specific was Ginkgo biloba. With respect to generic flora group, the world distribution, pan-tropical and temperate accounted for 5.88%、42.65% and 50%,1 endemic genus to China accounted for 1.47%. The researches showed that the plant diversity of urban greening was low,and native plants were few as well.