宪法、宪政在理论和实践上具有重要意义,本文以英美两国两部宪法性法律文件:英国《自由大宪章》和《美国宪法》为中心展开自己的论述。论述的目的在于更好地推进中国的民主政治和社会进步,科学地对待西方国家的民主经验,以期对于改进中国的宪法、宪政和基本人权状况有所帮助。文章首先介绍了英国《自由大宪章》,这部宪章不是一个宪法,也不是议会政治的产物,而是汇集了当时社会各阶层权利和义务的彻 Constitution and constitutionalism are of great significance both in theory and in practice. This thesis starts with two constitutional legal documents of Britain and the United States: the “Magna Carta” and the “United States Constitution” in the United Kingdom. The purpose of the discussion is to better promote China’s democratic politics and social progress and scientifically deal with the democratic experience of western countries with a view to helping to improve China’s constitutional, constitutional and basic human rights conditions. The article first introduces the British “Magna Carta”, which is not a constitution or a product of parliamentary politics. It is a collection of rights and obligations of all sectors of society at that time