1. A method of image search, the method comprising: receiving a request from a client; providing a web page to the client in response to the request, the web page configured to allow an image to be uploaded and annotation content to be submitted for the image, wherein the image includes auxiliary information; receiving the image and user submitted annotation content for the image from the client, wherein the user submitted annotation content includes a link to another web page of a merchant that provides merchandise corresponding to the image, the another web page having merchandise information pertaining to the image; utilizing a link parsing unit of a first server to parse, via the link, remote from the client, the merchandise information from the another web page; writing, remote from the client, the parsed merchandise information into the auxiliary information of the image; storing, remote from the client, the image and the annotation content for the image, wherein the auxiliary information is stored in the image, wherein the storing, remote from the client, the annotation content for the image comprises one of: storing the annotation content in a database, associating the annotation content with the image and storing the annotation content in the auxiliary information of the image, wherein the storing the annotation content in the database and associating the annotation content with the image comprises: storing in the database the annotation content having a highest score; and associating the annotation content with the highest score with the image, and wherein the storing the annotation content in the auxiliary information of the image and storing the image by the server comprises: storing the annotation content with the highest score in the auxiliary information of the image; and storing the image, wherein the client is a first client and the merchant is a first merchant; providing the image and annotation content to a second client, wherein the annotation content includes an icon for instantiating an instant messaging session with a second merchant that provides merchandise corresponding to the image, wherein the instant messaging session is opened in a web page; providing the annotation content for the image as a search index to an image search engine; and organizing in advance a format of question and answer and a scoring rule for the submitted annotation content.
5. The method of claim 1 , wherein the annotation content comprises a combination of one or more of information regarding texture of merchandise in the image, material of the merchandise in the image, specification of the merchandise in the image, place of production of the merchandise in the image, unit price of the merchandise in the image, use of the merchandise in the image, a Uniform Resource Locator (URL) address of the seller of the merchandise in the image, or a contact method of the seller.