Pupose: Purpose : Purpose of this study is that police organization``s public peace service quality examines closely impact getting in police trust. Methods: Used stratified cluster random sampling method after establish citizens inhabiting in Seoul by population, and example number used on interpretation finally is total 491 people, 2012. Questionnaire used in study was consisted of total 37 questions, and analytical method executed Frequency Analysis, Factor Analysis, Reliability analysis, T-test, Anova, Multiple Regression Analysis using SPSSWIN ver.18.0. Reliability of questionnaire appeared more than Cronbach``s α value .607. Conclusion: First, according to demographic characteristics of citizens, police organization public peace quality is difference. Amenities, convenience by sex appears high in woman``s group. Public, amenities, guarantee by age are high in 30s. Quickness professionalism, amenities, accessibility appear high in middle school graduation person group in the case of attainments in scholarship, and public, guarantee is high in group more than university graduation person. If examine residential district, quickness professionalism, public, sympathy, guarantee appeared high in citizens of areas north of the Han river. Public, amenities, convenience appeared housekeeper group high in analysis by job, and guarantee appeared high in inoccupation group. If examine month police officers interview number of times, public, sympathy, systemicity, accessibility, guarantee appeared high in group which meet 4~5 times. Second, according to demographic characteristics of citizens, police trust appears difference. Police trust by residential district appears high in areas north of the Han river. Average police interview number of times per month is high police trust in group which meet 4~5 times month. Third, police organization``s public peace service quality affects in police trust. That is, police trust appears high as quickness professionalism, public, sympathy, systemicity, accessibility, guarantee service are attained well. On the other hand, police trust is low in case of convenience is not made harmoniously.