民事责任的竞合是指同一民事责任违法行为导致两种以上的不同性质的民事责任产生的情形。通常情况下民事责任的竞合主要是侵权责任和违约责任这两种基本的民事责任的竞合。但侵权责任与不当得利返还责任的竞合也也较为常见,无因管理行为中也可能产生侵权责任。 Concurrence of civil liability refers to the same civil liability for illegal behavior led to two or more different types of civil liability situation. Under normal circumstances, the competing civil liability mainly infringement liability and breach of contract responsibility of the two basic civil liability competition. However, the competing practice of tort liability and unjust enrichment return liability is also common, and no tort liability may also arise in the management act.