TECHNOLOGY FOCUS - ELECTRICAL POWER AND ENERGY - Preparation: The preparation method of the hydrous methanol gasoline comprises (1) preparing compound additive by adding the dispersant span-80 and dispersant tween-80 into the phase stabilizer isopropyl alcohol, mixing, stirring to a transparent liquid; adding ignition accelerant ether and rubber accelerant which is mercaptobenzothiazole or dibenzothiazyl disulfide; stirring and mixing to evenness where the volume ratio of dispersant span-80:dispersant tween-80:phase stabilizer isopropyl alcohol:ignition accelerant ether:rubber accelerant is 100:4.73-11.59:1.18-2.90:11.83-28.99:0.59-1.45; (2) preparing denatured methanol by adding compound additive into hydrous methanol where volume ratio of compound additive prepared in step (1):industrial methanol with 2-5% of water content is 1:24-29; stirring and mixing to evenness; (3) preparing hydrous methanol gasoline by adding the denatured methanol into the commodity national standard gasoline where the volume ratio of denatured methanol prepared in step (2):the commodity national standard gasoline is 1:1.00-5.67. Preferred Composition: In preparing hydrous methanol gasoline, the volume ratio for phase stabilizer isopropyl alcohol:dispersant span-80: dispersant tween-80:ignition accelerant ether:rubber accelerant which is mercaptobenzothiazole is 100:11.59:2.90:28.99:1.45 and volume ratio for denatured methanol:commodity national standard gasoline 90# is 1:100. The volume ratio for phase stabilizer isopropyl alcohol:dispersant span-80:dispersant tween-80:ignition accelerant ether:rubber accelerant which is dibenzothiazyl disulfide is 100:4.73:1.18:11.83:0.59 and for denatured methanol:commodity national standard gasoline 93# is 1:5.67. The volume ratio for phase stabilizer isopropyl alcohol:dispersant span-80:dispersant tween-80: ignition accelerant ether:mercaptobenzothiazole is 100:6.34:1.52:17.74:1.14 and for denatured methanol:commodity national standard gasoline 97# is 1:2.33.