This research aims : 1) to study the behavior in applying the Principle of Dittha-dhammikattha for Leading Daily Lives of People in Nayia Sub-District Municipality, Nayia District, Ubonratchathani Province, 2) to compare the behavior in applying the Principles Dittha-dhammikattha for leading Daily Lives of People in Nayia Sub-District Municipality, Nayia District and 3) to study the suggestions about applying the principles of Dittha-dhammikattha for leading daily lives.

The samples of this research were 362 local people from 12 communities in the area of Nayia Sub-district Municipality, Nayia District, Ubonratchathani Province. The sample size was determined by means of Krejcie and Morgan’s table, with stratified random sampling. The statistics for data Analysis were frequency and percentage, while average, standard deviation, t-test and f-test were used for the behavior of applying the principle of Dittha-dhammikattha in daily lives of the people in the area of Nayia Sub-district Municipality, Nayia District, Ubonratchathani Province. When the difference of statistic significant value was found, it would be tested by Scheffe’s method.

The result of research was found that

The behavior of applying the principles of Dittha-dhammikattha in daily lives of the people in the area of Nayia Sub-district Municipality, Nayia District, Ubonratchathani Province in four fields; namely, Utthanasampada: to be endowed with diligence, Arakkhasampada: to be endowed with watchfulness and protection, Kalyanamittata: association with good people and Samajivita: balanced livelihood, was totally in high average.

The comparison of behavior in applying the principles of Dittha-dhammikattha in daily lives of the people, who were classified into sex, educational level, occupation and salary, in the area of Nayia Sub-district Municipality, Nayia District, Ubonratchathani Province was different in total, but not in each field. While that of those who were classified into age was totally not different. Considering each field, it was found that Utthanasampada; to be endowed with diligence, ArakhaSampatha; to be endowed with watchfulness and protection and Samajivita: balanced livelihood were not different, Only Kalyanamittha; association with good people is different, at 0.05 of statistic significant value.