By using the daily icing data of ice station and the related station data of Erlangshan Mountains in Sichuan Province in winter of 2001-2009,relationships between the icing thickness and some meteorological factors are analyzed based on the identified conductor icing factors and the constructed icing theory model.It is found that the icing increase is not well related to an individual meteorological factor,for example,vapor pressure and wind speed.An attempt to define water vapor transport index combined with some meteorological factors is employed and the index couples closely with the icing increase ratio.Finally,a conductor icing model is built according to the parameters of conventional meteorological observations including wind speed,temperature and vapor pressure.Comparison of the comprehensive fitting ice cover thickness with the observed one shows that the better fitting results can be achieved to serve project applications.