Abstract:Tropical cyclones (TCs) over the Northwestern Pacific and South China Sea, of wh ich wind velocity exceeds grade 8, are statistically investigated for the period of 1949—2005. Results show that 27.47 TCs occur annually over those regions, with 6.89 TCs landing over China. Both of the numbers in recent 10 years are bel ow the mean of 1949—2005. The most preferable time period for the generation an d landing of TC over China is July to September. The South Coast of China is the location of most landing TC(s). Most coast regions of China, such as Northeast China, North China, Yellow River Huaihe River basins, south to the Yangtze Riv e r, South China and the eastern Southwest China and so on, have the chance for he avy rainfall of typhoon. Southeast coast of China is featured by the highest pos sibility of TC heavy rainfall. The maximum is found over Hainan Province and the east coast of Guangdong Province, the second over the coast of Guangxi Province and southeast coast of Fujian Province. The spatial pattern of frequency in TC heavy rainfall provides the background information for the forecast of landing T C rainfall.