Abstract:Fishy odours removal is one of the key problems of fish products processing.It is expounded that the reasons of fishy odours formtion，determination of fishy odours and data analysis，removal methods of fishy odours and effectiveness evaluation of fishy odours removal etc.It is introduced that the major three sample processing methods，analysis of differences among the three methods and their respective applicability.It is also analysed that the principle，applicability and effectiveness of major nine fishy odours removal methods.From the above it can be see the boundedness of every single fishy odours removal method，so it is put forward that the most suitable method is natural，good for environmental protection and composite deodorization method according to current trends.