NOVELTY - Methanol fuel core mother liquid comprises octane, heptane, methyl tert-butyl ether, isobutyl alcohol absolute ethanol, hexamethylene tetramine, ammonium nitrate, nitro diluent, ethylene glycol monoethyl ether, dimethylbenzene, nitroethane, cyclohexane, decahydronaphthalene, methylnaphthalene, benzyl, nitromethane, n-heptyl, benzotrifluoride, n-octyl, tetrahydronaphthalene, isopropyl alcohol, metal passivant T122, antirust agent T702, detergent T106, detergent T102, n-butanol, antirust agent 747, antirust agent 706, butanone, antioxidant T502, isoprene aldehyde, morpholine, and cumene.    USE - Methanol fuel core mother liquid for preparing methanol fuel.    DETAILED DESCRIPTION - Methanol fuel core mother liquid comprises liquid A, B, C, D, E, F, and G. Liquid A comprises: 20-30 wt.% octane, 15-25 wt.% heptane, 25-35 wt.% methyl tert-butyl ether, and 20-30 wt.% isobutyl alcohol. Liquid B comprises: 20-30 wt.% absolute ethanol, 18-28 wt.% hexamethylene tetramine, 5-9 wt.% ammonium nitrate, 15-25 wt.% nitro diluent, 10-20 wt.% ethylene glycol monoethyl ether, and 8-12 wt.% dimethylbenzene. Liquid C comprises: 20-30 wt.% nitroethane, 23-33 wt.% cyclohexane, 8-12 wt.% decahydronaphthalene, 12-18 wt.% methylnaphthalene, and 17-27 wt.% benzyl. Liquid D comprises: 20-30 wt.% nitromethane, 16-24 wt.% n-heptyl, 15-21 wt.% benzotrifluoride, 20-30 wt.% n-octyl, and 9-13 wt.% tetrahydronaphthalene. Liquid E comprises: 45-53 wt.% isopropyl alcohol, 8-12 wt.% metal passivant T122, 10-14 wt.% antirust agent T702, 13-17 wt.% detergent T106, and 13-17 wt.% detergent T102. Liquid F comprises: 50-60 wt.% n-butanol, 20-30 wt.% antirust agent 747, and 16-24 wt.% antirust agent 706. Liquid G comprises: 50-60 wt.% butanone, 13-18 wt.% antioxidant T502, 4-6 wt.% isoprene aldehyde, 13-18 wt.% morpholine, and 8-12 wt.% cumene. The preparation comprises preparing each liquid composition, respectively stirring for 20-40 minutes at normal pressure and temperature, mixing together liquid compositions at ratio of plus minus 5%, or concentration of plus minus 5% each, stirring for 20-40 minutes to obtain methanol fuel core mother liquid. An INDEPENDENT CLAIM is included for preparing methanol fuel comprising mixing 4-8% methanol fuel core mother liquor and 92-96% methanol, uniformly stirring, and reacting for 20-40 minutes, where methanol is more than 99.5-99.9% fine alcohol.