The invention belongs to the field of processing of daily use chemicals and particularly relates to gel polish and a preparation method thereof. The gel polish comprises 15-50 parts by weight of aliphatic polyurethane acrylate, 10-20 parts by weight of ethanol-soluble thermoplastic resin, 15-30 parts by weight of acrylate monomer, 1-10 parts by weight of a photoinitiator, 1-5 parts by weight of pigment, 0.1-2 parts by weight of a dispersing agent, 1-5 parts by weight of a thickening agent, 0.1-1 part by weight of a flatting agent and 0.1-0.5 parts of a defoaming agent. The gel polish can be removed through disinfected medical alcohol instead of through a nail polish remover, 75% of medical alcohol belongs to products made of plants, does not contain methanol, formaldehyde or other impurities, is used for sterilization and disinfection of a human body and is safe and reliable, and accordingly, harm to skin of nail technicians and nail art customers during removal of the gel polish is reduced.