It is said to have been widely used in ancient China. It is not clear for how long it has been used, but scholars of Chinese characters such as Shizuka Shirakawa , who advocates the importance of magic in ancient times, have found traces of poison in the oracle bone script of the Yin and Zhou dynasties .[2] The earliest record of worms is in the Geography of the Suishu reads: "On May 5th, 100 species of insects were collected, the larger ones were snakes, the smaller ones were lice , Place them inside, let them eat each other, and keep what is left of the last species.If it is a snake, it is a serpent, if it is a louse, it is a louse.Do this and kill a person.”
