Tomb-Sweeping Day can't tell fortune.

Tomb-Sweeping Day's inability to tell fortune before and after is a folk superstition with no scientific basis.

1. Grave-sweeping: Tomb-Sweeping Day is a day when it is forbidden to eat cold food and pay homage to ancestors with fire. Since then, sweeping graves has become a continuous custom and tradition.

2. Swing: Tomb-Sweeping Day is an important node in spring. Swing is an activity to exercise and enjoy spring.

3. Willows inserted: Tomb-Sweeping Day is the time when willows sprout and smoke green. There are folk customs of folding willows, piercing willows and inserting willows. The custom of inserting willow is related to avoiding epidemic.

4. Go for an outing: Tomb-Sweeping Day is also a good time to go for an outing and enjoy flowers. People will go out to play and enjoy the beautiful scenery of nature. Chaoshan congou tea is a traditional tea drinking custom and a national intangible cultural heritage.