Photo-cured printing ink composition for food, medicine and cosmetic package

The invention provides a photo-cured printing ink composition with good aridity, low mobility and good adhesive force. The composition can not only be applied to packaging materials of toys and various foods paying attention to safety and wholesomeness, but also be widely applied to package purposes of sanitary equipment, cosmetics and pharmaceuticals. The composition comprises a low-mobility thioxathone photoinitiator, bifunctional and polyfunctional acrylic ester composition monomer, resin oligomer with polymerized groups and polymerizable phosphonate compound.