The purposes of this research were to study and compare  problems and  suggestions  related to internal supervision  as  viewed  by  teachers  and  administrators  under Chachoengsao  Basic  Educational  Service Area Office II. The samples of  this  study  consisted  of  364  administrators  and  teachers. The  instrument  was  five  level  rating  scales  questionnair, the statistics  used  in  analysis  the  data  were  means, standard  deviation, t  test  and  frequency.
	The results were as followed that ; the problems of internal supervision in school under  Chachoengsao Basic Educational Service Area Office 2, as viewed by administrators and teachers  in  general and each aspects were at moderate level. The mean score was ranked from high to low had shown  supervision planning, supervision operation, supervision evaluation, and the study of present circumstances, problems and  needs. The result of comparison of the problems of internal  supervision, as classified by status as  a whole was  significant  difference  at  the  level  of  .05., as  viewed by teachers had more problems than administrators. The suggestion related internal supervision, the present circumstances, problems and needs should have steering team work to study the present circumstances, problems and needs. The internal  supervision planning should compose of team work from the teachers and let them participate in  planning and issuing the operation calendar, expecting that it would be the school overall plan  which was clear and would be accepted by everyone. The supervision operation, there should be cooperation between administrators and teachers for internal supervision.The supervision evaluation, there should be development evaluation of teachers performances in  teaching  which  were the consequences of the internal supervision by mean of the students quality assessment at the end of  every  semester.
