An automatic planning apparatus comprises a WWW server and an application server which are connected to many clients through the Internet. The clients are operated by the users. The application server creates and asks some questions to the user. The user answers the questions. The answers are analyzed to determine the character. Certain initial conditions are input by the user or some other person. The application server automatically creates a schedule for the preparation of an event desired by the users after taking the input initial conditions and the character of the user into consideration.