The purpose of this study was to determine the effect of motivation and interpersonal communication either simultaneously or partially on teacher performance at state senior vocational schools (SMKN) in Rambah district of Rokan Hulu. The study population is SMKN teachers in Rambah district Rokan Hulu 139 pearsons, with a sample of 103 pearsons using the formula of Taro Yamane. Form data in thi…