NOVELTY - A crosslinked-type anion membrane comprises halogen methyl group-containing polymer and binary ionizing agent with double resonance effect. The halogen methyl group-containing polymer is bisphenol A polysulfone, biphenyl polysulfone, polyphenylene ether or polystyrene.    USE - Crosslinked-type anion membrane used for alkaline fuel cells.    ADVANTAGE - The crosslinked-type anion membrane is resistant to swelling, and has more dispersed distribution of positive charge, better chemical stability in an alkaline environment, and effectively increased ionic conductivity.    DETAILED DESCRIPTION - A crosslinked-type anion membrane comprises halogen methyl group-containing polymer and binary ionizing agent with double resonance effect. The halogen methyl group-containing polymer is bisphenol A polysulfone, biphenyl polysulfone, polyphenylene ether or polystyrene. The binary ionizing agent is of formula (a), (b), (c), (d), (e) or (f).    R=H, CH3, CH2CH3, CH(CH3)2, C(CH3)3 or (CH2)nCH3; and    n=2-6.    An INDEPENDENT CLAIM is included for preparation of crosslinked-type anion membrane comprising:    (A) dissolving chloromethylated halogen-containing polymer in first solvent, adding anhydrous tin chloride catalyst under inert gas atmosphere, adding chloromethyl ether as chloromethylation reagent, reacting to 55 degrees C for 12-36 hours, pouring into methanol or ethanol to precipitate, and drying chloromethylated-containing product;    (B) dissolving tetramethylurea in second solvent, adding oxalyl chloride, reacting to 60 degrees C for 1-12 hours, removing solvent to obtain solid white powder salt; and dissolving in third solvent under inert atmosphere, adding amino compound and triethylamine, dissolving, reacting to 90 degrees C for 12-36 hours, ice-cooling, adjusting pH to 9-14 with lye, stirring for 2 hours, extracting organic phase, separating, distilling off third solvent and extracting agent under reduced pressure extraction agent, and purifying to obtain binary ionizing agent;    (C) adding chloromethylated-containing product to organic solvent, dissolving, adding imidazole reagent or binary ionizing agent at molar ratio of 1:1, and reacting to 50 degrees C for 0.5-12 hours to obtain casting solution;    (D) placing casting solution into glass plate, casting to 50-80 degrees C, and standing for 12 hours; and    (E) peeling off from glass plate, and soaking into alkaline solution.    The chloromethylated halogen-containing polymer, first solvent and chloromethyl ether has molar ratio of 1:200-240:9-10. The first solvent is methylene chloride or chloroform. The second solvent is dichloromethane, toluene, diethyl ether or tetramethylurea. The second solvent and oxalyl chloride has volume ratio of 1:2-10:1-1.2. The salt, third solvent, amino compound and triethylamine has molar ratio of 1:10:1:0-1. The third solvent is methylene chloride, chloroform, acetonitrile, diethyl ether or toluene.