明清时期，是我国封建时代由自然经济朝商品经济变革的时期。该时期我国的盐政管理， 也 发生了相应的变革。且因我国情况特殊，盐业资本在当时的商品经济发展中占重要地位，其 中又以淮盐为最。只是长期以来，人们对明清时盐利，一般仅限于简单的文字表述。汪士信 先生《乾隆 Ming and Qing Dynasties, the feudal era of our country from the natural economy to commodity economy reform period. During this period, the salt administration in our country also changed accordingly. And because of the special situation in our country, salt capital occupies an important position in the development of commodity economy at that time, among which Huai salt is the most important. It is only for a long time that salt and salt were often used by people in the Ming and Qing dynasties to confine themselves to simple words and expressions. Mr. Wang Shixin "Qianlong