The correlation between precipitation and hazard-bearing bodies and the disaster threshold of rainstorm were obtained via analyzing the characteristics of precipitation and its connection with disasters during the meiyu period of 2016 in Hubei province. The results indicated that the disaster degree of six precipitation are all beyond 3, especially the rainstorm from 30 June to 6 July, which is up to 8. In addition, all hazard-bearing bodies, namely the affected population, collapsed buildings and affected area, hold the positive correlation with direct economic loss. And the degree of collapsed buildings is the highest one, beyond 0.9. The disaster threshold for daily maximum rainfall and accumulated process rainfall are 35 mm and 50 mm, respectively. What’s more, the accumulated process rainfall and effective rainfall index have a good relationship with disasters. The concentrated area of dead corresponds to the area with high precipitation while the scattered area corresponds to the local heavy rain in short time. The proportion of crops failure will increase by rainfall superposition effect when the precipitation intensity index is almost the same or lower.

Key words：Meiyu period; rainstorm; accumulated process rainfall; disasters