The processes of energy and water cycle over the Tibetan Plateau have shown that the giant prominence exerts thermal effects on the atmosphere, thus greatly influencing atmospheric circulations over China, Asia and even the globle. Focusing on this issue, the intensive observation period (IOP) and long-term observation of the GEWEX (Global Energy and Water cycle Experiment) Asian Monsoon Experiment on the Tibetan Plateau ( GAME/Tibet ) and CEOP (Coordinated Enhanced Observing Period) Asia Australia Monsoon Project (CAMP) on the Tibetan Plateau (CAMP/ Tibet ) have been carried out successfully from the beginning of 1996 under the support of National Natural Science Foundation of China (NSFC), the Chinese Academy of Sciences(CAS), the China Meteorological Administration(CMA) and the Japanese government etc. A large number of data has been collected, which is the best data set so far for the study of energy and water cycle over the Tibetan Plateau. Great progress has been made in the study of energy and water cycle over the Tibetan Plateau through the in-situ data analysis, satellite remote sensing parameterization and the numerical modeling, etc. The progresses of  the study of energy and water cycle over the Tibetan Plateau and the role of the international cooperation in the projects will be introduced in detail. The role of the international cooperation in getting the research found from abroad and in training young scientists and students is also mentioned. The existing problems in the international cooperation and the solving ways are presented in the paper at the same time.