ศึกษาวิเคราะห์ความเชื่อเรื่องบุญ-บาปในพระพุทธศาสนาที่มีต่อวิถีชีวิต ชาวพุทธในเทศบาลเมืองเพีย อำเภอกุดจับ จังหวัดอุดรธานี

               The purposes of this research were; 1) to study the belief of merit-demerit in Buddhism 2) to study the belief in merit-demerit of the Buddhists in Muengpia Municipality of Kutjab District, Udonthani Province and 3) to analyze the belief in kmerit-demerit in Buddhism towards the Buddhists in Muengpia Municipa;ity of Kutjab District, Udonthani Province. It was the qualitative research and the informants were Buddhist monks, officials, state workers and people in Muengpia municipality including 25 subjects by using the depth-interviewing and proposing the research results by descriptive analysis.

The research results were found that the belief in merit-demerit in Buddhism is that a merit means the leaven or expansion, swollen, relief and to be the purification of mind, to be goodness including the physical, verbal and mental behaviors. The merit can be classified into the two great categories, that is, 1) Vattgãminikusala means the wholesome to reach vatta, that is, to be the round of rebirth 2) Nibbãnagãminikusala or Vivattgãmikusala means the wholesome to reach vivatta, that is, the wholesome going to Nibbana with the ultimate intelligence . One who receives the step of this merit will not be born again.

           The demerit means the badness, that is, to cause the troublesome and to lead people to way of suffering in accordance with the Buddhist teaching. It can be classified into two categories, that is, 1) Pãpadhamma is the bad side of Dhamma or evil, inferior,  mean, dirty, and sentimentality having in the human nature who associate with passion, that is, ignorance, desire, attachment, greed, hatred etc. 2) Pãpakamma is that thing results from the performance with unwholesome volition of people  who have the basis from the mentality covered by Pãpadhamma that is, the inside defilements that lead to commit that evil kamma by depending on the three sense-doors, namely, the physical door, verbal door and mental door that result in the different  results in accordance with the weight or light kamma.

              The situation of the belief in merit-demerit in Buddhism towards the Buddhists in the Muengpia Municipality of Kutjab District, Udonthani Province was found that For the belief in merit-demerit, merit is the goodness of physical, verbal and mental behaviors while demerit is the evil leading to the way of ruin 2) the belief in the heaven and the hell is that one who commits evil will go to the hell after his death 3) For the belief of the law of Kamma is that the beliefs in the four faiths, that is, to believe in the law of Kamma, the results of Kamma, Kamma belonging to all sentient beings and the Buddha 4) to believe in the principle of Dhamma, to do good and to avoid an evil.

            The analysis of the belief in merit-demerit in Buddhism towards the Buddhists’ life in Muengpia Municipality of Kutjab District, Udonthani Province was found that the four aspects of results are; 1) for aspect of mentality, to hold the Triple Gem as the mental refuge, to observe the precepts, to practice meditation, to make the mind calm, joyfulness, to make merit by giving alms, it will make the spiritual happiness when one commits an evil, he will have suffering 2) For the physical aspect, to walk up and down will make the body strong, to practice meditation will make the face bright and to observe the eight precepts and practice Dhamma will make more progress 3) for the intellectual aspect, to listen to Dhamma, to recite mantra and to understand the Buddha’s teaching and to apply that Dhamma for daily life, to practice meditation, to make the smart brain and 4) for the social aspect, to remove the temple, to get rid of trashes, to clean the roads, to donate the blood, to assist the poor children, to donate the white clothes for corpses, coffins and to take care of the state personnel, it will make the community strong and harmonious.