In rural areas, giving duck eggs is a common gift. On some special occasions, such as weddings or festivals, people will also send duck eggs to relatives and friends. Sending duck eggs means wishing each other a smooth life, a happy family and a wide range of financial resources. In addition, duck eggs can also be made into various delicious dishes, representing goodwill to each other.

In southern China, giving duck eggs is a way to express gratitude. When people are cared for, helped or saved, they may give duck eggs to each other. People express their gratitude in this way and hope to get help and support from each other again in the future.

In addition, sending duck eggs can also represent the love and friendship between people. Especially in long-term communication, people will regard duck eggs as a symbol of trust and connection. For example, elders will send duck eggs to young people to show their concern and blessing, and young people will also send duck eggs to their elders to show their respect and gratitude. These green elves are not only nutritious, but also can convey warm feelings between people.