The disclosure relates to a method and apparatus for outputting a prompt. The method comprises the following steps: obtaining the current first dressing information of a target user; obtaining a first similarity between the first dress information and the second dressing information indicative of the dress in a historical target time period; in response to determining that the first similarity is greater than a predetermined second similarity, controlling the target terminal to output prompt information indicating at least one of the following items: the first similarity is greater than the second similarity, and replacing the dress. The method, by identifying and comparing the clothes of the user, reminds the user to change clothes or gives related recommendations, thereby enriching application functions, enhancing user experience.