User identification information storage method and device, electronic equipment and medium

The embodiment of the invention discloses a user identification information storage method and device, electronic equipment and a medium. A specific embodiment of the method comprises the steps of performing encryption processing on an electric power potential user identification model to obtain an encrypted electric power potential user identification model; respectively sending the encrypted electric power potential user identification model to an electric power data service node and a virtual article data service node; generating a power data identification information set according to the power identification information and the power identification weight of each target user; generating a virtual article data identification information set according to the virtual article identification information and the virtual article identification weight of each target user; generating an electric power potential user identification information set according to the electric power data identification information set