It will not pass through the Japanese sea area. During the migration season, salmon migrates into the water systems such as Heilongjiang and Tumen River in China, with more Wusuli River, and September ~11month is the peak season for production. The Wusuli River is rich in salmon. Several kinds of salmon, such as large-scale salmon and red salmon, which live in the Bering Sea area of the North Pacific Ocean, will enter the yukon river of North America and swim more than 3,000 kilometers to spawn and reproduce in the upper reaches of yukon river at the junction of the United States and Canada.