The couplet dataset contains more than 700,000 couplet data, which are segmented by characters and divided into a training dataset, a test dataset, and a vocabulary list. The training dataset and the test dataset are divided into the upper couplet and the lower couplet, respectively. The dataset comes from the Sina blog of blogger Feng Zhongpu_Liweizhai Sanye and is widely used in the training of AI couplet dataset models.