Food ingredient suppliers and catering management labor service providers completely delinked. According to query changzhou civilization network, school canteen 1 plus 1 model is changzhou education bureau put forward school food service new management mode, its core idea is to require ingredients suppliers and catering management with labor service providers completely delinked, from bidding to settlement completely independent, through the unified bidding, and with labor service providers clear the proportion of the cost of the service, the scope of the service and the main responsibility to formulate the corresponding assessment standards, and the assessment scores. And the assessment score is linked to the payment of service fees, and labor service providers are not allowed to participate in the bidding of food ingredients for service schools.