Page presentation window height adjustment method and device

The invention discloses a page presentation window adjustment method and device. According to the method, page height information of a subpage is obtained first, and then the height information is sent to a parent page; further, the parent page is controlled to adjust a page presentation window of the subpage according to the height information of the subpage, so that the dynamic conditions of the subpage are all presented in the page presentation window. By means of the page presentation window adjustment method and device, the page presentation window of the subpage can be adjusted automatically according to the page height of the subpage, rolling presentation of the subpage through scroll bars is not needed, and therefore presentation of the subpage is facilitated.