The desulfurizing agent is made up by using 1-3 kinds of metallic compounds of Na, K, Mg, Ca, Ba, Ti, V, Cr, Mo, W, Mn, Fe, Co, Ni, Cu, Zn, Cd, Hg and Pb and granular active carbon. Its preparation process is as follows: the water soluble salt of the above-mentioned metal is carried on the active carbon by means of separate impregnating or co-impregnating process, then dried at 30-500 deg.C or activated to obtain the invented product. Its use temp. is 0-100 deg.C. Said desulfurizing agent can simultaneously eliminate the sulfides of H2S, COS, CS2, sulfur alcohol and sulfoether, etc.