The present disclosure discloses an instant messaging window display method, including the following steps: running an instant messaging window on a user terminal; receiving a small window instruction; extracting, in response to the small window instruction, the instant messaging window run on the user terminal as a to-be-converted window; converting the to-be-converted window into a floating small window; and displaying the floating small window on the top of a current page of a browser. Therefore, the terminal converts the instant messaging window into the floating small window, and always keeps displaying the floating small window on the top of the current page of the browser. When the user browses and operates another webpage on the browser, the display of the floating small window is not affected. This is convenient for the user to check an instant messaging interaction message in time, thereby improving convenience of instant messaging interaction.