Seeing the Black and White Ghosts meant that according to folklore, meeting the Black and White Ghosts might bring good luck and wealth. It was said that if you saw the Black and White Ghosts at night, you could hit them with a brick, and they would fight back. He would return gold bricks, gold, silver, and jewelry in return. When he had thrown away all his treasures, he would leave. However, this information was just a folk legend. There was no scientific evidence to prove the existence of the Black and White Ghosts or their significance.

There was no clear conclusion as to whether the dying would see the Black and White Ghosts. Some people in the countryside claimed to have seen the Black and White Ghosts come to pick them up, but it was still a mystery whether they really existed. Psychologists 'research showed that near-death experiencers often experienced various situations, but most people were still full of speculations about what they saw before they died because it could not be verified from a scientific point of view. Therefore, it was impossible to determine if the dying person would really see the Black and White Ghosts.
Seeing the White Impermanence meant that there was a folk legend that believed that meeting the White Impermanence would bring good luck and wealth. According to legend, if you saw White Impermanence at night, you could hit him with a brick, and he would fight back. He would return gold bricks, gold, silver, and jewelry in return. When all the treasures on him are thrown away, he will leave and you can pick them up and make a fortune. This legend entrusted people's desire for wealth. However, this was just a legend. Modern society no longer believed in such superstitious beliefs. Therefore, seeing the White Impermanence did not have any actual meaning or premonition.
The Black Impermanence represented the Yin-type.
Dreaming of black and white impermanence is considered a good omen. Dreaming of the Black and White Impermanence meant that he needed help from others, but it also meant that there would be unexpected good news. In addition, the dream of the Black and White Impermanence also indicated that a leader would send someone to communicate with you, or there would be an opportunity to meet the leader's assistant or others. However, the search results did not provide any other specific information about the Black and White Ghosts. Therefore, it was impossible to accurately answer whether the Black and White Ghosts were a good omen.
The Black and White Impermanences were just a pair of gods in the Han folk culture. They were characters in myths and legends, but they did not really exist. Therefore, no one could see the Black and White Ghosts because they only existed in legends. There was no mention of anyone being able to see the Black and White Ghosts, so I don't know who can see them.
From a scientific point of view, it was impossible for a dying old man to see the Black and White Ghosts. According to the authoritative medical journal Lancet, the visual and auditory perception at death was caused by brain disorder and did not really exist. In addition, the Black and White Impermanences were a pair of gods in the Han folk culture, and they existed in myths and legends. Therefore, from a scientific point of view, the dying old man would not see the Black and White Ghosts.
The Black Impermanence and White Impermanence looked like they were ferocious, fat, short, and had a face like charcoal. They wore a black hat and black clothes, and their skin was dark green. White Impermanence often smiled. He was tall and thin, with a pale face and a long tongue. He wore a tall white hat and white clothes.
The Black Impermanence and the White Impermanence had different descriptions in traditional culture. We can see that Black Impermanence's appearance is usually dark and green, wearing black clothes and a black hat. He is short and has a fierce face. White Impermanence was dressed in white. His face was pale, and he was smiling. He wore a tall white hat with the words " Wealth in Life " written on it. However, because the search results did not provide a specific picture of the person, they could not provide an accurate picture description.
White Impermanence's original name was Xie Bi 'an, while Black Impermanence's original name was Fan Wujiu.