To provide a franchise network lesson system that keeps students from losing concentration even if a plurality of students take lesson at the same time, while reducing the burden on investors of education services.

The lesson system comprises a lesson management server with a memory for storing user information data, teacher information data, and business information data, and a plurality of terminals connected to the server via a network. The lesson management server includes a student management program which retrievably records student lesson connection information, payment information, achievement evaluation information and the like in the memory, a teacher management program which causes teacher lesson connection history information and salary information calculated based on the teacher lesson connection history information or the like to be retrievably recorded in the memory, and a business information program which causes person-in-charge information and predetermined loyalty information to be retrievably recorded in the memory. The terminal has a lesson program which causes an operator's images, voice information, and handwritten character information to be inputted and outputted bidirectionally.