The embodiment of the invention provides a multi-
system login method and device, a storage medium and a program product, and relates to the technical field of
security authentication. The method comprises the steps of receiving a token sent by a
server in response to successful passing of identity
verification of a digital portal, displaying
system entrances of a plurality of systems associated with the digital portal, and responding to a touch operation for a
system entrance of a target system in the system entrances of the plurality of systems, determining a
system verification level of the target system according to the permission identifier, if the
system verification level of the target system is a first
system level,
logging in a preset page of the target system, and if the
system verification level of the target system is a second
system level,
logging in a preset page of the target system; if yes, first system
verification information input by the user based on
verification prompt information corresponding to the second
system level is verified, and if verification succeeds, a preset page of the target system is logged in. According to the method provided by the embodiment of the invention, the convenience and security of multi-system login are improved.