The eight conditions or situations that prevent one from hearing the teachings of 佛 fó and finding enlightenment, including being in hell or being born before or after the appearance of a buddha in the world.

The eight reasons presented by Zhang Liang to Liu Bang in the Han Dynasty to explain why re-establishing the six kingdoms would be a mistake.

In Daoism, eight rare and valuable conditions of birth or character, such as being born in a peaceful land or possessing a compassionate nature.

In Daoism, a collective term for eight severe or hard-to-treat physical and mental illnesses.