The authenticity of the story of Ghost Blows Out the Light is controversial because there is no conclusive evidence to prove that it is a true historical event or story. However, based on the study of history and literature, we can infer that the story of Ghost Blows Out the Light may be based on some real historical events and legends that have been adapted and processed into a novel. There were many stories and legends about ghosts in ancient Chinese history and legends. The story of the ghost blowing out the lamp may be related to the folk beliefs and witchcraft in ancient southern China, or it may be related to ancient wars and natural disasters. These stories and legends, after a long period of circulation and processing, may be adapted into novels, which may contain some fictional plots and characters. Therefore, the story of Ghost Blows Out the Light could be a real historical event or a legend that was adapted and processed into a novel. However, whether it really existed or not required more evidence and research.