"...The Wusuli River is long and long, and the blue river is rising from the waves..." The song "Usuli Boat Song" shows the attractive charm of the Ussuri River; the treasure island in the river, telling the story A magnificent triumph of heroes and children defending national sovereignty. Here, the sky is blue, the ground is green, the water is clear, the air is cool, the terrain is flat, the land is fertile, the rivers are vertical and horizontal, and the ecological environment is superior, which preserves the most complete primitive ecosystem of the Sanjiang Plain. The superior geographical location and ecological environment have nurtured the treasure island rice with full, crystal clear, soft and sweet, and rich aroma.