When the search engine crawls the web page through its crawler spider, possibly has the illegal collection personal information the situation. For example, the use of Cookies to save the information users leave on the site, and then analyze the characteristics of users to send spam to users. The search engine is still facing the problem of "network infringement" all the time. In the users' search results, if the searched website does not have copyright but provides viewing, does not have the distribution right but provides the movie and television download and so on, can Be considered a direct infringement.