At historic period of new socialist countryside construction,rural public product supply of China will be paid attention to Present one discussion over each matter system is necessary to solve the shortage of rural public product supply of China, Analysis of motivational systematic transition model of public product supply system indicates that the disaccord between demand and supply of rural public product is obvious after taxation and fee reform, which makes supply system motivational systematic transition. Under the objective situation, one discussion over each matter is the product of the transition.