13. Claim 1: a mixture of at least one polychlorinated biphenyl derivative and at least one polybasic polymer containing nitrogen in the herbicide component containing auxina herbicide is used to reduce the volatility of auxina herbicide. 11. Claim 9: a method for reducing the unusual migration of an auxina herbicide on the plant leaf bark after the use of a herbicide mixture consisting of auxina herbicide (including an auxina herbicide), including: a) for producing a herbicide mixture including auxina herbicide； a. At least one polyurethane derivative, at least one polybasic polymer containing nitrogen；（2） Herbicide mixtures were applied to the leaves of fertile plants. 11. Claim 11: a herbicide component comprising at least one auxina herbicide and a mixture of at least one polymer and at least one multibase polymer containing nitrogen. Claim 12: the component listed in claim 11, namely, the auxina herbicide was selected from the group of 2,4-D (2,4-dichlorophenoxy acid),2,4-dichlorophenyl (4 - (2,4-dichlorophenyl) butane,Dichloropropane (2 - (2,4-dichlorophenyl) propane,MCPA (4-chloro-2-methylphenyl) acetic anhydride,MCPB (4 - (4-chloro-2-methylphenol XI) butane,Carbamate (4-amino-3,6-dichloro-2-pyridine-cresol)；Chloropyridine (3,6-dichloro-2-pyridine-uronic acid)；Oxyfluoride (acid [(4-amino-3,5-diclor-6-fluoro-2-piridinil) ox] acetic anhydride,3. Triclopir (acid [(3,5,6-trichloro-2-pyridine) oxy] acetic anhydride,Diclopir, mechorp (2 - (4-chloro-2-methylphenol) propane) and mechorp-p, dicamba (3,6-dichloro-2-methoxybenzoic acid) were used,Picloram (4-amino-3,5,6-tricolo-2-piridinacarboxylic acid),Quincurac (3,7-dichloro-8-quinine formic acid)；Carbamate (6-amino-5-chloro-2-cycloacrylonitrile-4-pyridine-carboxylic acid)；Agricultural acceptable salts of any of these herbicides, racemic mixtures and dissolved isomers, and their mixtures, for example, diganba, or a salt or an agricultural acceptable ester, for example, sodium salt of diganba, potassium salt of diganb
