With the rapid development of China’s economy, the family has become increasingly important in the buying and selling of goods, while playing an increasingly crucial role in the marketplace. In terms of marital property relations, the debt between husband and wife is one of the important aspects. The formation of joint marital debts has a profound effect on the stability of the family and the security of transactions. Through searching, researching and collating judgements, the author has found that in judicial practice, there is a lack of clear guidelines on the determination of “joint marital debt”, reflecting the fact that judges may arbitrarily exercise their own subjective judgement, which has affected the uniformity of the judiciary. In view of this, in order to improve the certainty and predictability of the citizens or parties to the “joint debt” rules, this paper to the court in the judgement of the “joint debt” as a starting point, combined with the civil law and other relevant legal norms, sorting out the “joint debt” of the judicial judgement of each element of the “joint debt” ideas, and try to summarise the court in the “joint debt” when the determination of the review of the idea and the review of steps. The review steps are attempted to summarise the court's review ideas and steps in the determination of “joint debts”.