This research was aimed to develop criteria for quality evaluation of OTOP products of 5 types; namely food product beverage product cloth and costumes product utensils decoration and souvenirs product and herbal product. Which is not food Then the developed criteria were used as a quality evaluation form for OTOP products in interactive system on website. The usability of the system was tested by 72 persons in the group of OTOP product entrepreneurs and 96 persons in the group of customers. The results from the development of 5 types of criteria for product quality evaluation showed that: the criteria for food product consisted of 282 items; beverage product consisted of 41 items; cloth and costumes product consisted of 47 items; utensils decoration and souvenirs product consisted of 27 items and herbal product which is not food consisted of 77 items According to the usability tested by the entrepreneurs it was found that the effectiveness of usage was at the highest level. As for the usability tested by the customers it was found that the effectiveness of usage and the learnability were at the highest level.