Production system and program switching method used in the same

A production system that includes a plurality of production lines with different structures and can produce products with the same type of board using the plurality of production lines, comprising:

• a program storage unit that stores a program which is executed by each production facility forming the plurality of production lines;
• a Kanban information management table in which Kanban information having a Kanban name and a product name recorded therein is registered;
• a product information management table in which a program list is stored as a database for each combination of the product name and a production line name;
• program list acquisition means for acquiring the product name from the Kanban information management table and acquiring a program list corresponding to the combination of the acquired product name and the production line name from the product information management table;
• and
• program switching means for searching for a corresponding program from the program storage unit on the basis of the program list acquired by the program list acquisition means, transmitting the searched program to each production facility of the plurality of production lines, and switching the program.