A notification handling method, comprising: displaying a first window; determining, by an electronic device, whether the first window is in a full-screen mode; wherein in the full-screen mode, the user may call a navigation bar and a status bar through a sliding operation; and if detecting a to-be-displayed banner notification when the first window is in the full-screen mode, displaying the banner notification in a single-line form on the first window in a floating manner, wherein the banner notification in the single-line form is located at the top or the bottom of the first window, and the banner notification in the single-line form comprises some or all information of content of the notification, and further comprises at least one of an icon of an application program that generates the banner notification, a name of the application program, a time at which the banner notification is generated, or a topic of the banner notification; and displaying detailed information about the banner notification on a first window in response to detection of a preset touch operation of a user on the banner notification in the single-line form, wherein the detailed information comprises all information of the content of the banner notification, and further comprises at least one of the icon of the application program that generates the banner notification, the name of the application program, the time at which the banner notification is generated, or the topic of the banner notification; wherein the method further comprises: when display duration of the banner notification in the single-line form is longer than or equal to preset duration, stopping display of the banner notification in the single-line form in the first window. displaying a first window; determining, by an electronic device, whether the first window is in a full-screen mode; wherein in the full-screen mode, the user may call a navigation bar and a status bar through a sliding operation; and if detecting a to-be-displayed banner notification when the first window is in the full-screen mode, displaying the banner notification in a single-line form on the first window in a floating manner, wherein the banner notification in the single-line form is located at the top or the bottom of the first window, and the banner notification in the single-line form comprises some or all information of content of the notification, and further comprises at least one of an icon of an application program that generates the banner notification, a name of the application program, a time at which the banner notification is generated, or a topic of the banner notification; and displaying detailed information about the banner notification on a first window in response to detection of a preset touch operation of a user on the banner notification in the single-line form, wherein the detailed information comprises all information of the content of the banner notification, and further comprises at least one of the icon of the application program that generates the banner notification, the name of the application program, the time at which the banner notification is generated, or the topic of the banner notification; wherein the method further comprises: when display duration of the banner notification in the single-line form is longer than or equal to preset duration, stopping display of the banner notification in the single-line form in the first window.