A method for managing a resource on a cloud platform, wherein the cloud platform provides a resource required for running an application deployed on the cloud platform, and the method comprises: determining a resource adjustment policy according to first status information of the cloud platform, wherein the resource adjustment policy is used to adjust a quantity of resources allocated to the application, wherein the resources comprise a computing resource and/or a storage resource; determining a size of an intelligent sliding window, ISW, according to second status information of the cloud platform, wherein the ISW indicates an allowed maximum page view, PV, of the application in a unit time, and the first status information and the second status information indicate running statuses of the cloud platform when the cloud platform provides a service for the application; and adjusting, according to the resource adjustment policy, the quantity of resources allocated to the application, and adjusting the ISW according to the determined size of the ISW, wherein the first status information of the cloud platform comprises at least one of the following items: a PV fluctuation ratio of the application, the quantity of remaining resources of the cloud platform, an average response time of the application, and a service health coefficient β of the application, wherein β is a performance indicator of the cloud platform that is fed back by a flexible scaling system; and the second status information of the cloud platform comprises at least one of the following items: an allowed maximum PV of the application in a unit time, the quantity of remaining resources of the cloud platform, and a period of time from a moment when a server that provides a service for the application is started to a moment when the server is loaded to provide a service for the application. determining a resource adjustment policy according to first status information of the cloud platform, wherein the resource adjustment policy is used to adjust a quantity of resources allocated to the application, wherein the resources comprise a computing resource and/or a storage resource; determining a size of an intelligent sliding window, ISW, according to second status information of the cloud platform, wherein the ISW indicates an allowed maximum page view, PV, of the application in a unit time, and the first status information and the second status information indicate running statuses of the cloud platform when the cloud platform provides a service for the application; and adjusting, according to the resource adjustment policy, the quantity of resources allocated to the application, and adjusting the ISW according to the determined size of the ISW, wherein the first status information of the cloud platform comprises at least one of the following items: a PV fluctuation ratio of the application, the quantity of remaining resources of the cloud platform, an average response time of the application, and a service health coefficient β of the application, wherein β is a performance indicator of the cloud platform that is fed back by a flexible scaling system; and the second status information of the cloud platform comprises at least one of the following items: an allowed maximum PV of the application in a unit time, the quantity of remaining resources of the cloud platform, and a period of time from a moment when a server that provides a service for the application is started to a moment when the server is loaded to provide a service for the application. a PV fluctuation ratio of the application, the quantity of remaining resources of the cloud platform, an average response time of the application, and a service health coefficient β of the application, wherein β is a performance indicator of the cloud platform that is fed back by a flexible scaling system; and the second status information of the cloud platform comprises at least one of the following items: an allowed maximum PV of the application in a unit time, the quantity of remaining resources of the cloud platform, and a period of time from a moment when a server that provides a service for the application is started to a moment when the server is loaded to provide a service for the application.