The purpose of this study are 1) to study the factors of success of OTOP Hattasil Dinthai and 2) to study relationship or social network of OTOP Hattasil Dinthai. Research process in qualitative research, to fine the conclusion of The factors of success by social network from informant are the members of OTOP include the establishment of this OTOP and the members of OTOP . Using a purposive sampling plan and Snowball was tatal 6 persons. Data collected by in-depth interviews, Observations and note, and Education Documents. The results showed that: 1) the factors of success of OTOP Hattasil Dinthai has 2 factor include product and place. And 2) relationship or social network of OTOP Hattasil Dinthai in a type of instructor and learner by the establishment of this OTOP was instructor and the members of this OTOP was a learner who come to learn how to sculpture flower from Thai soil.