The present invention relates to a method for providing a search result list by a search engine and a system thereof, and more particularly, to a method for generating a search result list by reflecting importance information in processing the search result list corresponding to a predetermined keyword input from a user terminal by a search engine and a system thereof. According to the present invention, there is an effect that is possible to provide method and system for providing a search result list, capable of providing a search result list on the basis of importance information in which accuracy and information on the registration date of a corresponding content are reflected.