To provide a product comparison board which enables a consumer to compare plural products to be compared and a specific product and can give the strong impression of the improved performance of the specific product to the consumer.

This product comparison board has a main board 2 on which the product display of the specific product is written and a movable board 3 on which the data associated with the product display and performance of the first product to be compared and the data associated with the product display and performance of the second product to be compared are written. The main board is provided with segments 4, 2a, 2b and 2c where the product display 11a and the data 11b and 11c associated with the performance of any one product to be compared which is written on the movable board are exposed.