Abstract: Big data is a hot issue now. This article discussed the application to each professional meteorological service on aspects of concept, performance and data acquisition. The core of big data’s application to professional meteorological services is nonmeteorological data, which could be gotten through big data technology, and its collision with meteorological data. This article expounded and prospected each professional meteorological service’s status, characteristics, and non-meteorological data’s application to the perspective of professional such as tourism, transportation and energy. We try to carry out more ideas on professional meteorological service in big data age.