The disclosure relates to an application login method and device, a terminal, a server, a system and a storage medium, and relates to the technical field of a network. The method comprises the steps of: when detecting out a triggering operation for acquiring a number, acquiring a communication number; sending a token acquisition request to an authentication server, wherein the token acquisition request carries the communication number; when receiving a verification token sent by the authentication server, displaying a shortcut login option on an application interface of an application; when detecting a triggering operation for the shortcut login option, sending a request message to an application server, wherein the request message carries the verification token; and when receiving a loginsuccess message of the application server, switching the application interface to an interface after login. Therefore, by sending the verification token to the application server, a user can log in the application by one click on the basis of the shortcut login option without manually inputting a user account and a password, so that operation convenience is improved, thereby improving applicationlogin efficiency.