“凡将马、牛、军需、铁货、铜钱……私出外境货卖及下海者,杖一百……物货船车入官。若将人口、军器出境及下海者绞,因而走泄事情者斩,其拘该官司及把之人,通同夹带,货知而放纵者,与犯人同罪。”这段话是《皇明世法录》中对明代“海禁”制度的记载。“海禁”的影响需要结合它的时间跨度进行分阶段研究。明代前期和中期,海禁对中国政治经济既有正面影响也有负面影响。“海禁”虽然对保障国家安全有益,但却抑制了中外交通贸易,特别是私人海上贸易。从长远发展的角 “Where the horses, cattle, military supplies, iron goods, coins ... Private outbound goods sold and sea off, a hundred ... ... cargo ship into the government .If the population, military aircraft exit and the sea who twist, so go Discharged those who cut off the fact that the lawsuit and the person, together with the entrainment, knowledge and indulgence, and the prisoners with the crime. ”This passage is“ Ming Dynasty ”recorded in the Ming Dynasty“ Sea Ban ”system The record. “Sea Ban ” influence need to carry on staged research in combination with its time span. In the early and middle Ming dynasties, the ban on the Chinese political economy both positive and negative effects. Although “sea ban” is beneficial to safeguarding national security, it inhibits the traffic trade between China and foreign countries, especially the private sea trade. From the corner of long-term development