连带责任是一个非常广泛的法律概念,虽然关于连带责任研究的著作很多,但是并不全面,法律中对它的界定也并不明确,所以关于连带责任的研究存在很多盲区。本文从探究连带责任的历史发展开始对民商法中的连带责任进行剖析,深入分析民商法中的各种连带责任及其存在的问题并提出相应的解决策略。 Joint and several liability is a very broad concept of law. Although there are many books about joint and several liability research, but it is not comprehensive and its definition in law is not clear. Therefore, there are many blind spots in the study of joint and several liability. Starting from the historical development of exploring joint and several liability, this article analyzes the joint and several liability of Civil and Commercial Law, deeply analyzes the various joint liability and its existing problems in civil and commercial law and puts forward the corresponding solutions.