The recognition of joint debt of husband and wife has been widely concerned by many scholars and judicial practice, because the practice of joint debt of husband and wife in the majority of contractual debt, so the husband and wife of the debt of infringement of little attention by the legislators, after the promulgation of the Civil Code, the husband and wife of infringement of the debt of the responsibility of the determination of the debt is still not responded to and resolved, which has led to the judicial practice due to the lack of corresponding legal provisions, such cases have ambiguities in the legal provisions invoked, the rules of determination, the division of responsibility. ambiguities in the invocation of legal provisions, rules of determination, and division of responsibility. When the courts deal with similar cases, the applicable legal provisions are very different, leading to the phenomenon of different judgments in the same case, which is a loss of judicial credibility. Therefore, this paper summarizes the shortcomings by listing and comparing the decisions of different courts on such cases, further clarifies the nature of the husband and wife's debt of infringement, discusses the definition criteria, and clarifies the scope of responsibility of the non-infringing party, with a view to realizing the protection of the legitimate rights and interests of the non-infringing party and the relief of the victim in relative balance, and providing feasible opinions for the longstanding gaps in legislation in the field.