This type of novel was usually called " Modern Rebirth in Time Travel " or " The Son of a Modern Rebirth Coal Mine Owner." The story was mainly about a modern girl, Yang Guifei, who accidentally traveled to an unfamiliar ancient world and became the Yang Guifei of Emperor Xuanzong of the Tang Dynasty. After traveling to the modern world, Yang Guifei found that she was already old and her body was getting weaker and weaker, so she decided to return to ancient times and find her future and happiness in ancient times. After returning to ancient times, Yang Guifei became the son of the coal mine owner and started a special emotional entanglement with the coal mine owner's son.