Abstract: Using the regional automatic station data，altitude observations，surface observations and radar data from 2010 to 2014 to analyzes the annual，international，mainly time and drop zone，strength characteristics and short－ term strong relationship between precipitation and altitude of the short－time strong rainfall(1 hour rainfall≥20mm) in Bazhong．The short－ time strong rainfall system，the conceptual model，the influence of the physical quantities early warning index，radar warning index have been researched and Summarized in the paper，reference has been provided for warning short－ time strong rainfall in bazhong．