The purpose of this study was to offer information to medical institution of specializing in orthodontic patients by surveying the influence of orthodontic patients` perception of treatment according to orthodontic treatment upon satisfaction and recommendation with orthodontic treatment, targeting patients with completion of orthodontics who have experience of having received orthodontic treatment. As a result of SAS ver. 9.1 analysis on what was surveyed from February 2010 to August, the following conclusions were obtained. In comparing perception of treatment on orthodontic treatment according to general characteristics, women compared to men were indicated to be higher (p＜0.05) in inconvenience recognition (p＜0.05) on orthodontic device and in inconvenience during orthodontic treatment (p＜0.05). In perception of treatment on orthodontic treatment, the inconvenience of orthodontic device accounted for 79.3%, thereby having been recognized by the majority of subjects. Even the inconvenience during orthodontic treatment was being recognized by 69.8%. The orthodontic treatment expenses appeared enough to be expected by 61.6%. The frequency of visiting hospital during orthodontic treatment was indicated as saying of having been proper by 72.8%. The period of orthodontic treatment was indicated to be proper as well by 61.2%. Even understanding about treatment contents during orthodontic treatment was indicated to be understood by 62.6%. In the results of correlation among subjects` cooperation with dental treatment, satisfaction with treatment service, recommendation of this clinic, and satisfaction with the convenient facilities, the significantly positive correlation was shown (p＜0.05) in all among items in each.