Comparison trial observation was conducted to different the mango trees conditions with canopy renewal，different grafting methods，pointed out that for the different trees and different aims to grafting trees. The results showed that high level and low-level renewal could be achieve better results. From the short-term efficiency，high renewal+root cutting achieved better results；however，from a long term efficiency，low level renewal made it easier for tree update and management. To renewal the crown plus root cutting was particularly important to update the older fruit trees.