Relationship between characteristic of high frequency and low intensity of M ≥ 6 earthquake activity of Chinese continent and M ≥ 7 earthquakes of China and the whole world is ana-lysed.The results show that the characteristic appeared during the weak activity of M ≥ 7 earthquakes of the whole world.There is a very fair possibility of M ≥ 7 earthquakes to occur in the vicinity of Taiwan province one year after the characteristic and in Chinese continent two years after the characteristic.