Salmon (Oncorhynchus), also known as salmon, salmon, salmon, salmon, belongs to the class of bony fish, salmoniformes, salmon genera, mainly distributed in the Atlantic Ocean and the Pacific Ocean, the Arctic Ocean border waters, belongs to the cold water highly migratory fish, known as the "emperor of the ice sea" in the international food circle. Studies have shown that both tuna and salmon are delicious, nutritious and rich in bioactive substances such as EPA and DHA.