5G message receiving method and device based on application software and storage medium

The invention discloses a 5G message receiving method based on application software, and the method comprises the steps: transmitting a first login request to a 5G message center according to a targetapplication program login instruction initiated by a user, so as to enable the 5G message center to carry out the authentication challenge; initiating a subscriber identity module card access requestaccording to the first authentication request, and acquiring signature data of a second signature certificate in the subscriber identity module card; receiving signature data of a second signature certificate returned by the user identification card, and carrying out access permission judgment; sending the first authentication request to a universal integrated circuit card; receiving a first authentication result obtained by the universal integrated circuit card according to the first authentication request, and sending the first authentication result to the target application to generate user identity authentication