Method and system for migrating electronic document between Internet platforms

The invention discloses a method and a system for migrating an electronic document between internet platforms. The method comprises the following steps: monitoring whether a newly stored word document exists on each local storage server or not; the management server analyzes an article expression structure in the newly stored word document; acquiring a corresponding sample document on each migration server, and converting each document sample in the article sample set into a corresponding sample structure; performing similarity matching on a sample structure set formed by the article expression structure and the article sample set of the newly stored word document; and when judging that the article expression structure of the newly stored word document belongs to one member in the sample structure set, sending the newly stored word document to the corresponding migration server. According to the method, related content elements in the word document are analyzed, so that the word document updated on the local