To reduce acquisition costs of ISO certification and increase ease of certification maintenance after acquiring by patterning corresponding parts of ISO certification acquisition procedure and utilizing a computer network.

In an ISO certification acquisition support system, which is suitable for an Internet server, ISO certification acquisition processes are classified into five levels: objective level 1; documentation level 2; operation level 3; recording level 4 and review level 5 by managers. The system has a database, in which common documented manuals that are standardized every industry corresponding to each level are stored, and user support means 6. In addition, at least, the system has providing means 21 of the common documents and ISO document creation means 22 for users to create ISO documents based on the provided common documents by themselves at the documentation level 2, management means 30 for the created ISO documents at the operation level 3, and record management means 40 for the managed ISO documents at the recording level 4.