This study had collected 275 dental hygienists working in Busan, Ulsan, and Gyungnam area, in order to investigate burnout and health promoting behaviors of dental hygienists and find relationship between these. A survey was conducted from December 14 through December 30, 2009, by using structured, self-administered questionnaires. The collected data were analyzed with SPSS 12.0 program. The obtained results were as follows; 1. The average health promoting behavior points are 3.12, and we could gain each point as follows; self-esteem 3.79, interpersonal support 3.70, and nutritional care 3.18. 2. All the factors of health promoting behavior had a negative impact on their burnout. Those who were less health promoting behavior sought burnout more often. 3. The burnout was under the greatest influence of the exercise, followed by stress management, interpersonal support, nutritional care.