The purposes of this research were to study process factors and patterns of strategy regulation for children and youths of local administrations in Lampang and Chiang Rai Provinces. The study revealed that most of local administrations lacked of analyzing analyze current situation problems and need evaluation. The research also revealed that the factors affecting the success of children and youth development strategies were the organization vision leadership knowledge ability and experience of the executives planning organizing personnel management budget and follow-up system and the outer factors were governmental policies supports from institutes in budget and expertise and participation especially of children and youth