The existing problems of interbasin water transfer of China can be summed up to a word: management mechanism and system are not smooth and united principles of establishing interbasin water transfer project not definite. Authors of this article analyse all kinds of problems on interbasin water transfer project, and draw the problems tree. On the basis of summing up main experience of interbasin water transfer in other countries and according to ideas of integrated water resources management, authors give many suggestions on interbasin water transfer managements, especially in the aspects of mechanism and system, programming, water supply and water using.