To provide a system and a method which collect questionnaires and opinions instead of an article maker or provider to shorten its time for collecting and summing up the questionnaires and also provide result information of the article questionnaires, opinions, etc., for a person who is to buy an article.

A data service company server 3 which obtains information by means of questionnaires for a client is equipped with a questionnaire information registering means 33 which receives article identifications, questionnaire information, and a request for the questionnaires from the client, sets access codes for corresponding article purchase confirmation by the article identifications and informs the client of them, and registers the access codes and questionnaire screen information in a database 4, an accessing user identifying and processing selecting means 32 which prompts a buyer terminal to input an access code and an article identification when accessed by the buyer terminal and proceeds to store answers when the inputted information is already registered, and an answer and opinion storage means 34 which sends a questionnaire screen to the buyer terminal and collects and stores answers and opinions in the database 4, a totalizing means 35, and an information service means 38.