An application program processing method, the method comprising: displaying a page of a first sub-application program run by a parent application program; detecting a sub-application program jump operation corresponding to the page; displaying candidate sub-application program identifiers according to the sub-application program jump operation; determining a sub-application program identifier selected from among the displayed sub-application program identifiers by means of a selection operation; by means of a second sub-application program corresponding to the selected sub-application program identifier, generating a page that belongs to the second sub-application program and covers the displayed page for displaying.