The agrometeorological observing and reporting software AgMODOS has been applied over the whole nation operationally. There exist great differences in understanding and implementation of Criterions for Agriculture Meteorological Observation between various provinces and regions, which results in obstacles in use of the system. Concerning the operational application of the system, some suggestions are presented about the observing, recording, and especially inputting, which can be used as references for agrometeorological observers over the country