Autumnal equinox, "fen" is the meaning of bisection, in addition to refers to the day and night bisection, there is also a meaning of bisection autumn. In the autumn equinox season, can be appropriate to eat more spicy, sweet or with anti-asthma effect of fruits and vegetables, especially white radish, carrots. In the Lingnan region, hakka people have the custom of eating autumn vegetables at the Autumnal Equinox. On this day, people will pick autumn vegetables and make them into soup with fish slices, which is called "autumn soup".