The growth of air traffic is increasing rapidly. The necessary development of services in order to accommodate the growth based on customer services and operational services. The service user satisfaction and appreciate the service friendly, safe and hassle free. From the above to comply with government policies, that Thai Smile Company Limited, one of the low cost airline business. The company needs to take action to improve the quality and service. To meet the highest customer satisfaction, the researcher aims to study the Improvement of Queuing Service system for the Front Check in Counter, this would enhance the service counters of the front check, Thai Smile Company Limited, Don Mueang Airport ecffectively.