Abstract: Sea surface temperature (SST) is one of the most important parameters of describing the thermal state of ocean surface.It is widely used in the research and application of the upper ocean process, oceanic heat exchange and marine atmospheric numerical simulation and forecasting. This paper introduces the field of observed products, satellite retrieval sea surface temperature products, multi-satellite integration of sea surface temperature products, and the main development of multi-source SST fusion technology and product which can integrate field measurement data, satellite remote sensing data, and model products.Here, we focused on the global SST fusion product approach in the China’s National Meteorological Information Center. Based on the advantages of mainly sea surface temperature fusion technology, the China’s National Meteorological Information Center has developed a global sea surface temperature fusion technology, We developed the PDF correction, the super observation and the STAMS to correct the bias of ship observed sea temperature, and of satellite retrieval SST, to calculate the Super Observation, then to merge Super observation and model products by using the STMAS. Comparison of our SST fusion products with that of the OISST showed that the accuracy of our SST fusion product is as same as that by the OISST.