People generally refer to the bull's head and horse's face, and most of them are known as two officials of the underworld. In fact, the cow's head and horse's face come from Buddhist classics and really occupy an important position in hell. According to the Tiecheng Mud Plough Sutra, the tauren are responsible for bringing sinners to Yamaraja Hall and telling Yan Luowang about their crimes. Any unfilial parents in the world; Forgetting faith and forgetting righteousness; Villains who don't believe in causality will be caught by the head and sent to Yamaraja Hall for trial.
Therefore, the duty of the bull's head and horse's face is to arrest and escort criminals around the world, go to Yamaraja court for trial, and then send them to the place where they should serve their sentences according to the judgment. Some people want to escape. Cattle and horses are selfless, and immediately throw them into endless hell with spears and forks.
Cow's head and horse's face are ghosts and gods in China's legend, based on the image of an emissary in China's traditional culture. The theory of cow's head and horse's face spread among the people in China, and was later absorbed by Taoism, and became a subordinate of King Yamaraja and his judges. Cow's head and horse's face are rare in Buddhist temples, but they are more common in Taoist temples such as, Dongyue and Yan. They did not come from Buddhism, but after Buddhism was introduced into China, they were forced to belong to China in order to survive and absorb primitive folk customs.
In folk literature and art, the ox's head and horse's face are sometimes symbols of kings and judges, sometimes violating the law and discipline, and sometimes being compassionate. These are also the images of serving people in feudal times.