Disclosed are a search method and a search system on the basis of social intercourse. The search method and the search system are characterized in that the traditional search engine and a social technology are combined with each other, the search system comprises a social technical system, and a user rating and commenting module, a transaction evaluating module, an official website authentication module, an official website question and answer module and a social circle recommending module are constructed to form the social technical system. The search method and the search system have the advantages that users participate in discriminating, screening and optimizing search results, so that the search results are efficient, accurate, socialized and personalized; owing to the user rating and commenting module, the users judge the quality of websites according to website rating and commenting results and determine ranking and rating scores of the websites in new search results; particularly, the transaction quality of counterparties is reflected by rating evaluation of the transaction evaluating module (in which purchasing transaction sellers are the websites and buyers are the users); and the search results are optimized via the official website authentication module, the website question and answer module and the social circle recommending module by the aid of the social technology, so that the search method and the search system are beneficial to the users to screen out fraudulent websites in the search results and optimally select and judges the websites.