The statistical distribution characteristics of lightning is an important basis for the scientific research of lightning. Based on the data of lightning flash monitoring in Hongkong from 2005 to 2014, the distribution in time domain of lightning and the distribution of the lightning current are analyzed. It is uncovered that more than half lightning of the investigated 10 years concentrated in a few days, an in-depth data mining of these data could provide with useful information for lightning protection. Moreover, there is notable difference in frequency distribution of lightning current ampl...