Food package printing technology based on water-based ink

The invention discloses a food package printing technology based on water-based ink, and belongs to the technical field of food package printing. The invention provides a process for printing a food packaging material based on water-based composite ink by adopting a gravure ink printing machine in order to solve the food packaging sanitation and safety problem that people pay more attention to and pay more attention to the food packaging sanitation and safety problem. According to the process method disclosed by the invention, the packaging and printing material which is high in adhesive force, excellent in water resistance and heat resistance, good in weather resistance and high in stability can be prepared, and the packaging and printing requirements of foods and drinks in various fields with different requirements can be widely met; and meanwhile, the requirements of people on packaging and printing harmful substance residues, clear and tidy characters and images on the surface of a packaging material and