Several excellent compounds were selected as water soluble corrosion inhibitors from the compounds of sodium,amine and amide salts synthesized with alkyl mono and multi carboxylic acid as raw materials.By mixing them with boric acid ester compounds,the optimization environmental friendly water soluble corrosion inhibitors show excellent rust resistance and good microbial stability,which can replace sodium nitrite with strong carcinogenic genes as water soluble corrosion inhibitor.