Line pins, joyful may (2551:Abstract) factors affecting the decision to use the service rooms for rent in the municipality of Chiang Rai province. The results showed that Factors affecting the decision to use the service rooms for rent.When considering each factor, it was found that the average maximum. Is the location factor and quality service, followed by the quality of rooms and factors free itthipol TA. The publicity. According to market.The price, quality rooms. An overall environmental facilities were in place, quality service level, and the publicity. At the lower level.