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The present invention refers to organic sulfur adsorbent, manufacturing method thereof, liquid petroleum fraction in method adsorption organic sulfur compounds and organic sulfur regeneration of adsorbent method relates to rare earth metal and transition metal including 70-95.5 0.5-30 active ingredient weight % weight % and porous support body by each including a, selectivity and adsorption of organic sulfur compounds is regenerative, excellent long-term stability performance petroleum fraction concentration of organic sulfur compounds included in one to lower 1 PPM hereinafter.