The purpose of this study was to analysis of influence between of private health insurance and length of stay with cervical and lumbar simple sprain patients at Ubiquitous medical environment. They were diagnosed as having sprain of cervical and lumbar spine without neurological symptoms in hospitals and clinics from July 1, 2010 to February 29, 2012. This study was t-test, ANOVA and multiple regression analysis. The results were when the number of private health insurance was input as an independent variable, the subjects had one or two accidental insurances(β=2.731, P=0.013), length of stay in beds was longer than they had no accidental insurance and when they had more than three ones(β=4.991, P=0.000), length of stay was significantly longer. This study has a meaning in that it is domestic practical study which identified relationships between entry of private health insurance and length of stay.