Honoring and respecting ancestors was very important to ancient Chinese people for several reasons. First, they believed that their ancestors could help or protect them from bad things. They thought that by showing respect, like offering food or prayers, their ancestors would look after them.
Second, family was very important in ancient China. They thought that the family should stay together, even after someone died. By remembering and honoring their ancestors, they kept the family tradition alive and showed they cared about their roots.
Lastly, they believed that their actions today could affect their ancestors in the afterlife. So, being respectful and doing good things was a way to make sure their ancestors were happy and proud. Overall, it helped keep families close and made sure everyone remembered where they came from.