1. A method for visual searching based on cloud service, comprising: receiving, from a client, an image recognition request of cloud service, the request containing image data; forwarding, according to a set classified forwarding rule, the image data to a corresponding classified visual search service, wherein the forwarding comprises: detecting classified type information contained in the image data, and forwarding the image data to the classified visual search service corresponding to the detected image data; detecting, by the respective corresponding classified visual search service, whether the image data contains the corresponding classified type information; if yes, detect the position information of the classified type information in the image data, and recognize according to the position information a corresponding name; recognizing, by the respective corresponding classified visual search services, the corresponding classified type information in the image data, and determining the corresponding name of the image data in accordance with the respective classified type information; obtaining a classified visual search result, the result including the classified type information and the corresponding name; and summarizing and sending, to the client, the classified visual search result of the corresponding classified visual search service.