To automatically generate the question setting algorithm of assessment in auditing, and to perform the proper comparison display of a plurality of algorithm results by weighted tabulation.

An ISO auditing system is provided with an auditing terminal 10 and an ISO auditing server 30 connected through a communication network 50. In the performance of assessment, the ISO auditing server assembles question setting algorithms of questions based on the information of assessment registered in a history DB, question information associated with an ISO provision registered in a question DB and answers of a person to be audited received from the auditing terminal and calculates scores based on the score allocation of the questions corresponding to the answers received from the auditing terminal, weighted score allocation set in the questions and weighted score allocation set for each text or clause of the ISO provision. Also, the ISO auditing server tabulates scores for each evaluation axis of each question registered in the question DB.