This thesis  is  to study the fond procedures  of the monks in Donmoon  Sub-District, Sung-Men District, Phrae  province, Brought to used  to modify the behavior of  the  youths. The   data were collected. By focusing on the focus group with  those involved  to modify the behavior of  the youths. In the Donmoon  Sub-District, there were monks,  youths,  parents, 60 people all of whom are and  the  community leaders, police officers in community of  Donmoon,  Dontan  and Rongyeng.   

                        That is  from the results of the study it is found  that, the behavior of young people in the community  is not desirable. 1) The mingling of the children, 2) The  drugs 3) The controversy, and 4) The problem of premature sexual activity. The cause of the unwanted behavior  from the social environment  are  the problems of parents, the 3 which are consistent. The change of  the  behavior  among  the youths in the form of activities,  1) Strengthen  the  relationship between  family  members,  2) The activity  for young  people  letting  them  understand  about  the  problem and  form  to have sex premature, 3)  Teaching  them how to pray to meditate, to spread  radiation acts, to be compassionate  4) The propagation  of  the  doctrine,  and 5)  Instruction below by training  opportunities  for  young  people’ s ordination  as  a summer  novice,  the  Buddhist  youth  camp,  developing  those  who attend  the  training a desirable  character   by  which  one  can live  with others  in societies  happily.     

                From  the  synthesis of feedback from those involved, the roles of the clergy to modify the behavior of young people are 1) Further understanding of the roles of family members and cultivating a lifestyle that is 2) to train young people as well as moral responsibility with          age-appropriate behavior, and 3) enhancing the knowledge to prevent and tackle violence against women and children in the family. The roles played  by the priest who practices  in the behavioral problems of unwanted children in the area are: 1) A surveillance of  network problems between home, school, friends, community and youth groups and community leaders  to play a role in helping to coordinate volunteers and police officers, teachers, house parents and the community. Help monitor the inappropriate behavior of adolescents. Not a problem within the community,     2) The school should support the monks to have a chance to take part in teaching the ethics  in earnestly  and more organization. The school should allow the  students to gain knowledge experience  and ethics widely 3) The school  should support and encourage students to attend events  and ethics, and 4) The priests should improve their role in terms of being of good models  for ethical members of societies  for  acceptance and adherence. This will enable the training of the  priests to teach effectively and  to  achieve more success.