The granaries policy of Ming dynasty was comprehensive expression of granaries period dynasty between offices and non-offices, then developed to special granaries itself. The granaries policy function as handle the public problems of people's livelihood, for example: relieves, stable prices etc. The granary policies were included something problems of not the people's livelihood. The Fujian province belonged to many mountains and little of plains special position along the southeast coast, granaries policy were very important in storage grain due to transportation of taxation not were convenient. This research is centered on variety of granaries policy and function both government and non-government, in according to this research to find out decline in granaries policy. Due to the middle period of Ming dynasty open the sea restrictions and silver currency, improved development commerce in internal and overseas then transformed grain of taxation in economics policy. This changed policy effect on granaries policy function in storage grain.