Abstract: Compared the fundamental requirement to current standard quality of fish oil, fully analyzed the characteristic index, quality grade index, hygienic index of fish oil and discussed the effect of shoddy additives on the oil quality, the suggestion on how to improve the quality of fish oil and to guarantee products quality were put forward: ① To renew the current fish oil standard, and formulate different standards of feeding fish oil according to different raised objectives such as aquatic species, livestock and poultry and so on.② To speed up the research and development of all kinds of fish oils specially for aquiculture and annotate what kinds of oil that used and the proportion of various ingredients.③ Peroxide value and acid value should be taken as forced hygienic index of fish oil.The kinds and ceiling values for antioxidant quantity should be set.④ To establish the examination method of fish oil, and strengthen the management of supervision and inspection on additives.