Aquatic product freshness evaluation standards were reviewed in this paper, including the traditional freshness evaluation methods and some kinds of new methods in recent years. Meanwhile, shelf-life predicting models of aquatic products were also introduced, including primary shelf-life model, secondary shelf-life model and tertiary shelf-life model. Moreover, the main problems and the research tendency of freshness comprehensive evaluation and establishment of shelf-life model of aquatic products were discussed, aiming to provide the convenience for the future research of aquatic products.