In order to provide operational support for meteorological observation,we develop a comprehensive judging method for the operation status of meteorological observation equipment in China,which is based on the operation status detection information of observation equipment,the meteorological observation data,Meteorological Metadata Information,as well asreported data from different levels of meteorological observation and support staff.This judgment system clarifies the classification criteria for four kinds ofoperational status,namely normal,alarm,fault and non-observation,which are displayed by colors of green,orange,blue,and gray,respectively.Application results show that the system is scientific in design,accurate in status judgment and effective in practice,thus will improve the stability and reliability of meteorological observation.