开中制是明代重要的盐政制度。明初主要是以济边为目的的本色开中,到明中期,由于势要“占窝”与私盐泛滥,演变成了纳银中盐的财政搜刮。这种变化导致了开中制的名存实亡,在商人势力崛起的同时,更加加重了人民的食盐负担。 Open system is an important system of salt politics in the Ming Dynasty. At the beginning of the Ming Dynasty, the main purpose was to open the border to Jibian. By the mid-Ming dynasty, due to the fact that the “occupation” and the proliferation of private salts had evolved into a fiscal search for the salt of the Central Bank of China. This change led to the opening of the system in name only, in the rise of businesspeople at the same time, even more of the people’s salt burden.