An application popularization method, characterized in that the method comprises: pre-storing, by an application popularization device, applications provided by an application store; receiving, by the application popularization device, an application request sent from a Personal Computer, PC, client, wherein the application request is generated by the PC client according to mobile terminal information of a mobile terminal connected with the PC client to determine an application that the mobile terminal needs to acquire; detecting, by the application popularization device, according to the application request whether an application matching with the application request is stored in the application popularization device; when the application is stored in the application popularization device, then sending, by the application popularization device, application information of the application to the PC client, wherein the application information is used for the PC client to acquire and forward the stored application to the mobile terminal; wherein the application request includes matching parameters of the mobile terminal, and the step of detecting, by the application popularization device, according to the application request, whether an application matching with the application request is stored in the application popularization device comprises: comparing, by the application popularization device, the matching parameters of the mobile terminal in the application request with application information of all applications which are stored in the application popularization device; when the comparison is successful by finding a matching application stored in the application popularization device as a result of the comparison, determining, by the application popularization device, that the application matching with the application request is stored in the application popularization device. pre-storing, by an application popularization device, applications provided by an application store; receiving, by the application popularization device, an application request sent from a Personal Computer, PC, client, wherein the application request is generated by the PC client according to mobile terminal information of a mobile terminal connected with the PC client to determine an application that the mobile terminal needs to acquire; detecting, by the application popularization device, according to the application request whether an application matching with the application request is stored in the application popularization device; when the application is stored in the application popularization device, then sending, by the application popularization device, application information of the application to the PC client, wherein the application information is used for the PC client to acquire and forward the stored application to the mobile terminal; wherein the application request includes matching parameters of the mobile terminal, and the step of detecting, by the application popularization device, according to the application request, whether an application matching with the application request is stored in the application popularization device comprises: comparing, by the application popularization device, the matching parameters of the mobile terminal in the application request with application information of all applications which are stored in the application popularization device; when the comparison is successful by finding a matching application stored in the application popularization device as a result of the comparison, determining, by the application popularization device, that the application matching with the application request is stored in the application popularization device.