Abstract: Base on the continuous and artificial observation records of 145 meteorological stations in Sichuan Province during 1981-2013, the days and frequency of 34 kinds of weather phenomena occurrences were analyzed. The results showed that the other 33 kinds of weather phenomena except aurora were observed. The daily frequency of dew and mist was more than 40% while rain and shower was more than 20% and icing, frost and thunderstorm was more than 10%. 11 kinds of weather phenomena including dew, frost, icing, thunderstorm, lightning, gale, snow cover, rain, showery rain, sleet and snow were observed in the stations all around Sichuan but these kinds about glaze, snowstorm, blowing snow and tornado observed only in a few sites. The basin's occurrence frequency of liquid precipitation, fog, mist, haze, floating dust, smoke and dew were more than Western Plateau while the mixed precipitation, solid precipitation, sand, dust storm, snow blowing, snowstorm, thunderstorm, frost, gale, icing, snow cover, ice needle, tornado and dust devil were just the opposite.