A method for prompting application removal comprising: receiving an instruction for removing an application; acquiring historical use information of the application according to the instruction for removing the application; and outputting corresponding removal prompting information according to the historical use information, characterized in that, outputting the corresponding removal prompting information according to the historical use information comprises: determining (S503a) a significance rank of the application in all applications according to the historical use information; judging (S503b) whether the significance rank of the application in all applications is higher than or equal to a preset rank; and if the significance rank of the application in all applications is higher than or equal to the preset rank, outputting (S503c) removal prompting information comprising preset highlighted prompting contents, wherein the historical use information comprises: a use situation parameter of the application, and a data volume stored locally by the application; and wherein the use situation parameter comprises any one or more of a use frequency, a number of use, and a duration of use, and wherein the significance rank of each application in all applications is obtained through a weighted calculation to the rank of each use situation parameter and the rank of the data volume stored locally. receiving an instruction for removing an application; acquiring historical use information of the application according to the instruction for removing the application; and outputting corresponding removal prompting information according to the historical use information, characterized in that, outputting the corresponding removal prompting information according to the historical use information comprises: determining (S503a) a significance rank of the application in all applications according to the historical use information; judging (S503b) whether the significance rank of the application in all applications is higher than or equal to a preset rank; and if the significance rank of the application in all applications is higher than or equal to the preset rank, outputting (S503c) removal prompting information comprising preset highlighted prompting contents, wherein the historical use information comprises: a use situation parameter of the application, and a data volume stored locally by the application; and wherein the use situation parameter comprises any one or more of a use frequency, a number of use, and a duration of use, and wherein the significance rank of each application in all applications is obtained through a weighted calculation to the rank of each use situation parameter and the rank of the data volume stored locally. determining (S503a) a significance rank of the application in all applications according to the historical use information; judging (S503b) whether the significance rank of the application in all applications is higher than or equal to a preset rank; and if the significance rank of the application in all applications is higher than or equal to the preset rank, outputting (S503c) removal prompting information comprising preset highlighted prompting contents, wherein the historical use information comprises: a use situation parameter of the application, and a data volume stored locally by the application; and wherein the use situation parameter comprises any one or more of a use frequency, a number of use, and a duration of use, and wherein the significance rank of each application in all applications is obtained through a weighted calculation to the rank of each use situation parameter and the rank of the data volume stored locally.