The objectives of this research were 1) to study an application of  the Sappurisa dhamma  to develop moral and ethical of the police officer in Protection Division 1.  2) to compare an application of  the Sappurisa dhamma  to develop moral and ethical of the police officer in Protection Division 1. 3) to study the concept an application of  the Sappurisa dhamma  to develop moral and ethical of the police officer in Protection Division 1.  The research findings were as follows: The research determined mixed research method both quantitative research and qualitative research. The sampling population were the 171 residents of the 300  total population whom are older than 20 years old upward. The methodology used Krejcie and Morgan formula for the sampling population. The data analysis performed by a computer program for social science research and following statistics such as : frequency, percentage, Mean and Standard Deviation for describing and testing hypotheses by the personal factors. The t-test results were the differences between the two groups. F-test was done by means of analyzing, One Way ANOVA was tested the difference of Means from the three groups upward. The test of the differences Means in each pair was done by the Least Significant Difference: LSD. The qualitative research method used the in-depth interview with the key informants and collaborated the context by the content analysis technique.