This study aims to determine the effect of member participation and managerial managerial ability on the success of KUD Kusuma Bakti cooperative. This research was conducted in KUD Kusuma Bakti Sialang Kubang Village, located in Perhentian Raja District, Kampar Kiri Regency, with a sample of 164 members. The research instrument used was a questionnaire with descriptive data analysis and multipl…