Part three paretively study the law of protection for disadvantages . it stresses particularly on the american , german and sweden into which we probe the experience is social welfare polycentrism , social run oneness , executive rigorism and jurisdiction authoritism . meanwhile , the thesis points out that disadvadvantages must be properly protected in the priniciple of either survive or competition 第三章，弱势群体保护的比较法考察。在对德国、美国和瑞典弱势群体的法律保护进行分析比较的基础上，认为这些国家弱势群体保护的成功经验是实行了社会福利多元化、社会管理统一化、行政执法严格化、司法诉讼权威化。
