Glass protecting ink and preparation method thereof

The invention discloses a glass protecting ink and a preparation method thereof. The glass protecting ink comprises the following components in percentage by weight: 10%-30% of polyurethane acrylate, 5%-30% of epoxy acrylic resin, 5%-40% of phenolic resin, 20%-50% of acrylic monomer, 2%-10% of initiator, 1%-5% of adhesion promoter, 1%-5% of thixotropic agent, 0.5%-2% of dispersing agent, 0.2%-4% of surface active agent, 1%-5% of pigment and 10%-30% of filler. The glass protecting ink disclosed by the invention has a good glass protecting performance, is easy to strip, and is convenient to operate.