The  objectives of this research are 1). to study the  efficiency in Sangha affair  administration  of  Ecc. administrative  monks  in  Samutsakhon Province  . 2.  to  compare  the  efficiency in Sangha affair  administration of  Ecc. administrative  monks  in  Samutsakhon  Province, as monks’ opinion, being separated as individual factors, and 3)  to  study the problems  obstacles  and  suggestions  concerned with the  efficiency in Sangha affair administration of Ecc. administrative  monks  in  Samutsakhon  Province. It is  the Mixed  Research  consisting of   Methodology  of  Quantitative  Research in which the way of survey Research was used and Qualitative Research of which the data were collected by using the In-depth Interview.             

               The sampling group  used  in the research  are  265  Buddhist  monks  living  in  Samutsakhon province and the researcher  used  the  way  of  convenience  sampling. The instrument used  was the questionnaire in  the  character  of  checking  details  and  evaluated  scale of  5  levels  and the open-ended  questionnaire  produced by  the  researcher with  confidential  value in all  equaled  0.920. Data were analyzed by using the packaged  program  for  social science research. The  statistics used was   frequency,  percentage,  mean, standard  deviation, and the mean  comparison  of the opinion made by  using  F- test  in  order  to  test  the  difference  between the mean  of  two  groups  and the analysis  of  one  way  ANOVA  made in  order  to  compare  the  difference  between the mean of  three  groups  onwards  and  to  compare  the  difference  between  each  pair  by  the  way  of  Least  significant  difference: ( LSD ) with  setting  statistical  significant  at  the  level  0.05  and analyzing the  result  from  interview  in  accordance  with  significance  of  the  point was made.  After that the analysis of the data would be made by  using  context  content  analysis  technique.

          From the study result, it has been found that

         The opinion of Buddhist monks who answered the questionnaire of the  efficiency in Sangha affair administration of Ecc. administrative monks in  Samutsakhon  Province, in a whole, was at the high level of which the mean equaled X = 3.96. Considering as the aspects, it had been found that the opinion of the Buddhist monks who answered the questionnaire paid to the efficiency in Sangha affair administration  of  Ecc. administrative monks  in  Samutsakhon  Province was at the high level in all aspects. The highest level was in the aspect of administration, its mean was X = 4.04. The second one would be the public utility X = 4.03  and the last one would be in the aspect of educational welfare at the X = 3.81  Buddhist  monk  activity  management  of  Ecclesiastical  official  monks  in  Samutsakhon  Province,  Physically  being  at  very  low  level,  be  having  at  average  equals X =4.04, second  level  is  public  assistance  the X = 4.03  and  finally  on  assistant  education X =3.81

          In the  comparison of the  efficiency in Sangha affair  administration  of  Ecc. administrative  monks  in  Samutsakhon  Province, as the Buddhist monks’ opinion, being separated as individual status, it has been found that

          The opinion of the monks who answered the questionnaire of the  efficiency in Sangha affair  administration  of  Ecc. administrative  monks  in  Samutsakhon  Province was different based on the difference of their age, year of rains-retreat and position with statistical significance at the level 0.05, hereby, the set hypothesis was accepted and their opinion was not different on the base of the difference of their general educational qualification, Dhamma study qualification and pali study qualification, hereby, the set hypothesis was rejected.

           From the study result of the  problems  of  the  efficiency in Sangha affair  administration  of  Ecc. administrative  monks  in  Samutsakhon  Province, it has been found that in  the aspect of administration, it was not to obey the superiors’ or abbots’ orders Buddhist, in the educational aspect, it was to lack the capital for the process, in the aspect of educational welfare, it was to lack the personnel of knowledge and ability in teaching, in the aspect of propagation, it was to lack the personnel for propagating the Dhamma, in the aspect of public utility, it was to lack money for supporting and restoring the premises, in the aspect of public welfare, it was the problems of habit-forming drug coming in Sangha and the youths in the province.

         In comclusion  from  interview, we found the whole  image  of Sangha affair administration  that it may have some problems, but it can be negotiable because they were familiar, dividing the duties for responsibility and following the Ecc. Provincial governor’s policy. Hereby, Sangha administration of SamutsakhonProvince  was rather very much efficient.

          For the suggestions in  administration,  the  leaders  must be  absolute  and clear, in religious  education,  requesting for  the  Budget  from  the  state  work  unit  possibly, in  educational welfare,  sending the  personnel  to  training in knowledge  to  take  such  a  knowledge  to  use  in  teaching the youths  in the responsible  zone,  in propagation,.  Providing  and  sending the  persons  who  have  loved Dhamma propagation to get  training, in the public  utility, producing  the   faith  in  many  places  to  seek  for  the  budget  and  materials  to  maintain  and in the public welfare,  providing  the  places  for  training  about  the  danger  of  habit-forming  drugs.