The present research was aimed to study the role of extension services regarding the attitude of owners of rice milling industry to reform and renew their units in Guilan province. This research was an applied study and performed according to correlative descriptive method. The population included owners of rice milling industry which were studied by enumeration method. In this regard a questionnaire was made and information collected from 149 owners of rice milling industry. Statistical analysis of data showed that the variable “extension publications” with a confidence level of 95% had a significant relationship with the attitude of industry owners toward moving from traditional to modern method of rice milling. This hold true for other variables such as “participation at learning courses”, “extension visits”, “mass media programs (radio- television)”, “contact with technicians of agricultural Jihad” and “reference to extension agent” with a confidence level of 99%. In general results obtained from this study indicated that extension activities had a significant role in attitude of owners of rice milling industry to reform and renew their units.
