Many legends say that Nian animals are afraid of red and loud things. He killed someone at the beginning of the year, and then the villagers scared him away with firecrackers.
So others knew that Nian beast was afraid of firecrackers, and then it spread slowly. In the past, firecrackers were not firecrackers, but firecrackers, which were stuffed into bamboo with gunpowder. When they were lit, they made a noise and scared away Nian beast.
There are no records in Shan Hai Jing, Search for Ji Shen and Strange Tales from a Lonely Studio.
At midnight at the end of the year, Nian beast will attack the village. When Nian beast comes to the village, he will slaughter it. The horn on his head is a murder weapon. After the slaughter, Nian beast will eat people's heads.
Nian beast has human thinking and agile posture. In order to prevent people from escaping, it will pretend to leave the village and go back to slaughter the survivors, because the Nian beast is huge and even makes the village shake violently.