秦始皇建立秦朝后,废分封,行郡县,实行中央集权的君主专制统治。刘邦建立西汉后,其做法与秦始皇不同,他在逐一消灭异姓诸侯王的同时,又大封同姓王,并刑白马而盟:“非刘氏而王,天下共击之”,实行郡国并行制。刘邦死后,郡县方面比较平稳,因为郡县长官由皇帝直接任免,受皇帝的严格控制,所以基本上能与朝廷保持一致。而地方封国就不同了,随着时间的推移,封国与朝廷之间常有矛盾发生,直至发展到大规模的武装冲突。对秦、汉所采用的两种不同的行政体制,其原因、利弊得失、价值 After the establishment of the Qin Dynasty Emperor Qin Dynasty, waste seal, line counties, the implementation of centralized monarchy rule. After the establishment of the Western Han Dynasty, Liu Bang’s practice was different from that of the Qin Shi Huang. While he eliminated one of the other surnames, he sealed the same surname Wang and sentenced him to the White House and allied with him: "Non-Liu and King, system. After the death of Liu Bang, the counties are relatively stable, because the county magistrate directly appointed by the emperor, subject to the strict control of the emperor, so basically can be consistent with the court. However, the local seal of state is different. As time goes by, conflicts often occur between the sealed state and the court until a large-scale armed conflict develops. On the two different administrative systems adopted by Qin and Han dynasties, their causes, the pros and cons, their gains and losses, and their values