Along with the increasing awareness of global environmental problems,develo ping countries will ratify more and more international environmental conventions to participate in the international cooperation of environmental protection.Though most conventions clearly state that the parties of developed countries shall offer enough fund and necessary technologies to the parties of developing countries to help them implement their commitment,yet there are still obstacles to technology transfer.This paper discusses the impediments in the implementation of international environmental conventions and studies the real problems developing countries are facing.Chinas experiences in the implementation of Montreal Protocol on Substances that Deplet the Ozone Layer are analyzed as a case study.The reasons for the existing impediments and their potential impacts are presented.Finally,the suggested strategies for developing countries in the implementation of international conventions are proposed.