Abstract: For government subsidies and the effective operation of rural e-commerce poverty alleviation,the supply China Composed of a farmer and a rural e-commerce service platform was constructed under the background of rural revitalization.Aiming at the profit growth of the farmer,the impact of government subsidies to the farmer and rural e-commerce service platform on sustainable poverty alleviation is explored.The results show that government subsidies to the farmer and rural e-commerce service platform can increase the farmers income,and improve the performance of the supply chain.The effective range and optimal amount of government subsidies are found.The strategies of the government subsidies are closely related to the total government subsidies and the sales of agricultural products.When there are less total government subsidies,the level of sales efforts,cost and output are higher with subsidizing the farmer.When there are more total government subsidies,it is better to subsidize the rural e-commerce service platform.When agricultural products sell well,the effect of sustainable poverty alleviation is better with subsidizing the rural e-commerce service platform.When agricultural products do not sell well,it is better to subsidize the farmer.

Key words: government subsidies, profits growth, rural e-commerce poverty alleviation