在债权二重让与中,为解决权利归属的优先问题,存在着两种模式:一是根据让与时间的先后来确定;二是根据让与通知的时间来确定。笔者认为在解决二重让与的权利归属问题,应遵循债权让与应予以公示的思路,主张首先按照债权证书的交付来确定取得债权的受让人,在不能交付债权证书时,按照让与通知的时间来确定。 In the double assignment of creditor’s rights, there are two modes to solve the priority issues of the right attribution: one is to determine according to the timing of the assignment; the other is to determine the timing of the assignment. The author believes that in resolving the issue of attribution of dual concession, we should follow the idea that the concession of creditor’s rights should be publicized, and advocate first that the assignee obtaining the claims should be determined according to the delivery of the debenture certificates. When the creditor’s rights can not be delivered, Notification of the time to determine.