The southern Xialiaohe Plain abounds in brine resources which are commonly hosted in the Quaternary aquifers and excavated by local people to make industrial salt. In recent decades, The Liaoning province, Panjin city governments and Liaohe oilfield carried out geological and hydrological work in this area, and accumulated lots of data regarding regional geology, lithological texture, structures, underground water characteristics. This paper assesses the economic grade of brines, providing a reference for mining brines, allocating holes and comprehensively utilization.