TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Composition: Mass ratio of inorganic adulterant to fluorine-containing ion exchange resin is 0.1-100 to 100 (1-25 to 100); and fiber to the fluorine-containing ion exchange resin is 0.5-50 to 100 (1-25 to 100). Preferred Components: Inorganic adulterant is oxides, orthophosphate and condensed phosphate; polyacid, polytungstate, silicate, sulfate selenite and arsenide, oxide, orthophosphate, condensed phosphate, polyacid and polytungstate; preferably oxide, orthophosphate and condensed phosphate; specifically silicon dioxide (SiO2), zirconium(IV) oxide (ZrO2), titanium dioxide (TiO2), boron phosphate (BPO4), zirconium phosphate (Zr3(PO4)4), zirconium phosphate (Zr(HPO4)2), zirconium phosphate (HZr(PO4)3), titanium (II) monohydrogen phosphate (Ti(HPO4)2), and/or Zr2H(P3O10)2. Protonic acid is sulfuric acid (H2SO4), trifluoromethanesulfonic acid (CF3SO3H), or orthophosphoric acid (H3PO4). Lewis acid is zinc chloride (ZnCl2), iron(III) chloride (FeCl3), aluminum chloride (AlCl3), organotin, organo antimony, or organic tellurium.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: Organic diamine is 1-10C alkyl or fluorine-containing alkyl diamine; material discharging the amino, hydrazine, organic diamine comprises amino, hydrazine, hydrochloride, urea, or guanidine. Fluoro olefin is tetrafluoroethylene, chlorotrifluoroethylene, trifluoroethylene, hexafluoropropylene, and/or kynoar, preferably tetrafluoroethylene, or chlorotrifluoroethylene. Fluoro olefin monomer comprising the functional group is compounds of Formulae VI-VIII given in the specification:a, b, c=0 or 1 but not 0;d=0-5;n=0 or 1;Rf1, Rf2, and Rf3=perfluoro alkyl or fluoro chloride alkyl;X=F, Cl, Br, or I;Y1, Y2, and Y3=SO2M, NR1R2, COOR3, or PO(OR4)(OR5);M=F, Cl, OR, or NR1R2;R=methyl, ethyl, or propyl, H, Na, Li K, or ammonium, methyl, ethyl, or propyl; andR4 and R5=H, Na, Li, K, ammonium, methyl, ethyl, or propyl.Y3 is of structure Formula: SO2M, NR1R2, COOR3, or PO(OR4)(OR5) Fluoro olefin monomer comprising the cross-linked site is compounds of Formulae IX or X given in the specification:Y4, Y5=Cl, Br, I, or CN;a', b', and c'=0 or 1, but their sum is not equal to 0;X1=F, Cl, Br, or I;n'=0 or 1; andRf4, Rf5, and Rf6=perfluoro alkyl.    TECHNOLOGY FOCUS - POLYMERS - Preferred Composition: Mass ratio of the fiber to fluorine-containing ion exchange resin is 0.1-100 to 100. Preferred Components: Reinforced fiber comprises mixture of polymer, simple substrate, oxide, oxy salt, carbide, nitride, boride, sulfide, silicides, and/or phosphide; or glass fiber, fluorocarbon polymer fiber, ceramic fiber, silica fiber, mineral fiber, oxide fiber, or silicone carbide fiber. Cross-linked netted structure is compounds of Formulae I-V given in the specification:G1=CF2 or O;G2=GF2 or O; andRf=2-60C perfluorine-containing carbochain or fluorine-containing perfluorine-containing carbochain.R=methylene or perfluorine-containing methylene; andn=0-10.Fluorine-containing ion exchange resin is formed by fluoro olefin, fluoro olefin monomer, and/or fluoro olefin monomers containing cross-linked sites. Preferred Process: Preparation method for multi-layered fluorine-containing cross-linked doped ion membrane with reinforced fiber comprises: (1) making fluorine-containing ion exchange resin as the supplement; solvent is dimethylformamide, acetamide, sulfoxide, N-methylpyrrollidone, phosphate, acetone, water, or alcohol; (2) preparing membrane by casting, painting, coating, printing or dipping on the flat board, mono-membrane or multi-layered membrane; (3) forming membrane or cross-linking agent; forming the cross-linked compound of Formulae I-V; forming the cross-linked compounds of Formulae II-III comprises using vikane, sulfonic acid chloride or sulfonic acid bromide resin with the amino, hydrazine or organic diamine to carry out the chemical treatment; forming the cross-linked compound of Formula IV comprises treating fluorine-containing sulfoacid resin by chlorosulfonic acid; forming the cross-linked compound of Formula V comprises forming the fluorine-containing sulfoacid resin; forming membrane comprises heat processing. Process of fused extruding and heat pressing comprises: (1) preparing mixture of sulfoacid resin, sulfonic acid chloride resin or sulfonic acid bromide resin, fibrous reinforcement, inorganic adulterant, linker, acid or radical initiator; mixing at 200-280 degrees C; (2) using the mixed resin in (1) to form membrane by the screw extruder or vulcanizing press; (3) cross-linking in forming membrane or after forming membrane to obtain the mono-membrane; and (4) compositing the mono-membrane to obtain the multi-membrane.