▎ 摘　　要

NOVELTY - Preparation of antibacterial ink involves providing a base ink comprising solvent (I) and resin (I) dispersed in solvent (I), providing a resin solution comprising solvent (II) and resin (II) dissolved in solvent (II), providing graphene oxide, dispersing graphene oxide in resin solution to obtain dispersion liquid (I) and mixing dispersion liquid (I) and base ink. The solvent (II) is compatible with solvent (I). The resin (II) is compatible with resin (I). The repeating unit of resin (II) has hydroxyl group. USE - Preparation of antibacterial ink for cigarette tipping paper (claimed). ADVANTAGE - The method enables simple preparation of antibacterial ink with improved antibacterial effect. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for usage method of antibacterial ink in cigarette tipping paper, which involves providing base paper of cigarette tipping paper, preparing antibacterial ink and applying antibacterial ink on surface of base paper of cigarette tipping paper and curing.