The four stamps of Liu Yichuan have been arranged in sequence, with the words 4- 1, 4-2, 4-3 and 4-4 in the lower right corner, namely 1, 2, 3 and 4. 4- 1 is a letter from the dragon lady, that is, the dragon lady was bullied, suffering and herding sheep at the seaside, met Liu Yi, and paid the trust to her father, Liu Yi, the dragon king of Dongting; 4-2 is the book-passing Dongting, that is, Liu Yi came to Dongting Lake not far from Wan Li and handed the book to the Dragon King; 4-3 is the reunion of flesh and blood, that is, the uncle of the dragon girl raises an army to save his niece, and the whole family is reunited; 4-4 is righteousness and affection, that is, all shall be well that ends well, and Liu Yi marries the dragon girl.