This study analyzed temporal variation and change-point of meteorological and hydrological disasters over world and china during 1990-2019 based on the Emergency Events Database (EM-DAT).using Mann-kendall trend test, Pettit, Buishand and SNHT change-point test. Results show that: 1) both the frequencies of floods and extreme temperature disasters increased significantly in the past 30a. Global annual deaths caused by flood disasters significantly declined while the economic losses caused by storm disasters increased remarkably. 2) multiple change-point tests all reveal that change points in frequency of both extreme temperature and flood disasters are 1999; the average numbers of their disasters after 2000 are around 2 times of those during previous 10a (1990-1999). 3) according to EM-DAT, there is a transition at around 1999 to more flood disasters in China in recent 30a but annual deaths display an opposite transition in 1999. The decreasing trend in the deaths caused by storm disasters as well as flood disasters in China are more significant compared to those on the global scale. Additionally, increasing trend in the economic losses caused by storm disasters in China is similar to that on the global scale but the trend is more prominent. The significant change point of economic losses caused by storm disaster in China is in 2012.