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Natural uranium is an important material basis to ensure the sustainable and stable development of national nuclear energy. Ocean contains abundant natural uranium resources, and the extraction of uranium from seawater is of great strategic and economic significance for supplementing and improving our country’s uranium supply system and realizing the autonomy of natural uranium supply. In this paper, the latest progress in the research direction of seawater uranium extraction technology in recent years is reviewed. This paper mainly summarizes the research results of adsorption materials and field tests for uranium extraction from seawater at home and abroad, and prospects the future development of uranium extraction from seawater.