With the development of reform and opening up，the output of aquatic products in China has increased rapidly after being a number of the World Trade Organization（WTO）.This incensement not only meets the demand of a large number of domestic consumers，but also promotes the export of aquatic products together with the steady rising in total amount.At present，China has become one of the world's largest producers and exporters of aquatic products.Japan is the most valuable trading nation that has a huge aquatic products market.However，many trade barriers to aquatic products have been set up by Japanese government for protecting their own aquatic products and related interests.The non-tariff trade barriers have been especially enacted in recent years because of their concealment，complexity and diversity.This paper introduces the Japanese non-tariff trade barriers for the aquatic products from the viewpoints of the legal basis and the specific content，and analyzes their impact on the export trade of Chinese aquatic products.Finally we propose the countermeasures and suggestions for mitigate the negative effect of the Japanese non-tariff trade barriers for the aquatic products.