With tipping bucket and self-recording rain meter, the three heavy rainfall events, in the first ten days of July in 2000, in the middle ten days of July and in the first and middle ten days of August in 2004 in Taihang mountain area, are monitored and analyzed. The monitored max rain intensity are 3mm in one minute, 17.5mm in ten minutes, 30.75mm in half an hour, 45.75mm in an hour. The rain density varied in time largely and had no clear characters. Rainfall mainly accumulated in the middle and latter period of a event, especially during heavy rain period.