Based on 42005 cases of four big hospitals from 1994~1998 in Wuhan,quarterly,monthly and ten days’ distributed properties of 8 kinds of diseases are analyzed firstly.Secondly,4 meteorological forecast models of daily disease occurring of each disease according to four quarters and 2 models of weekly disease occurring according to summer-half-year and winter-half-year are established.Then,a set of index of grade dividing standard is set up.In addition,effect of weather process of cold front on disease occurring is analyzed.Finally,a Forecast System of Medical Meteorology is developed and extended not only in Hubei but also in some other provinces.