The objectives of this research are 1) to study the level of opinions of The roles of religious activity of the public welfare of Sangha Administrators in Nakorn Pathom Province., 2) to compare the level of opinions of The roles of religious activity of the public welfare of Sangha Administrators in Nakorn Pathom Province., and 3) to suggest the guideline to the level of opinions of The roles of religious activity of the public welfare of Sangha Administrators in Nakorn Pathom Province. The research methodology is the Survey Research and collecting the data in the Field Study of 400 people of Sangha Administrators in Nakorn Pathom Province. The tool employed for collecting data is the questionnaire which has 3 parts. Part 1 is the general personnel data of the people who answer the questionnaires. Part 2 is the questionnaire about the opinions of The roles of religious activity of the public welfare of Sangha Administrators in Nakorn Pathom Province. Part 3 is the questionnaire about the problems, obstacles and suggestions of The roles of religious activity of the public welfare of Sangha Administrators in Nakorn Pathom Province. Statistical software is used as analytical tool in order to figure out the frequency, percentage, mean and standard deviation. In addition, the F-Test is analyzed by the “One-way analysis of variance” approach. The result indicates the rate of confidence as 0.9670.

The Findings of the study were concluded as follow :   

                   1. The roles of religious activity of the public welfare of Sangha Administrators in Nakorn Pathom Province for three sides such as Mental Development, Local Development and Culture Promotion in the general are at the good level (Average = 3.86). When considered by topics found that the mental development side, the people have the opinions as a good level (Average = 3.75). But the sides of local development and the culture promotion found that the people have the opinions at the good levels (Average = 3.51)

                    2. The comparative of The roles of religious activity of the public welfare of Sangha Administrators in Nakorn Pathom Province, found that People opinion toward The roles of religious activity of the public welfare of Sangha Administrators in Nakorn Pathom Province  were classified by personal factors, have no difference and was not found significant differences even at .05 level of significance, rejecting the set hypotheses.   

          3. problems, obstacles and suggestions of The roles of religious activity of the public welfare of Sangha Administrators in Nakorn Pathom Province as follow The major problems of roles of temples in the Public Welfare are the problems of good plan policy and distribution of helping for three sides such as Mental Development, Local Development and Culture Promotion in the general inefficiently and not cover all areas. It lacks of activities to promote the Public Welfare to the community and no continuous program. It also lacks of supporting and cooperation with government and private organizations. It does not have the support from Sanghas or monks and no cooperation among monks. It also lack of the good quality human resource and inefficiency of working in the future. 

                   Therefore, Temples and Buddhist monks in Nakorn Pathom Province should have the authority who have the full responsibility in Public Welfare all levels. They should  increase the enough and efficient staff of monks. They should improve the working efficiency and decentralize the authority to cover all areas in Nakorn Pathom Province. They also should have the good working system and network. They should use the high potentials to work and behave well as Buddhist principles including patience, work hard for the security of Buddhism.