1. Shell carving is the best in the world-shell carving technology has a high level as early as the Ming Dynasty, and gradually combined with ancient coconut carving technology to form a unique artistic style. 2. Sweet potato wine-Danzhou Paipu, Dacheng and other towns are rich in good sweet potatoes, and the sweet potato wine brewed with them is quite famous. Known as "Maotai" in Danzhou, it is a good wine used by Danzhou people to receive guests from afar. Red fish-large, thick and delicious, is one of the important economic fish in the South China Sea. In every fishing season, especially in spring and autumn, fishermen can catch more red fish for the market. Sandworm in Guangcun-also known as "sea intestine", is called "Starworm" in zoology, which is produced in the sediments of coastal beaches. Its appearance is about two inches long and looks like a reed bud. Coral-made of exotic marine corals, this kind of coral is called "sea flower" and is produced in tropical oceans. Most people mistake coral for a plant or mineral. In fact, it is neither a plant nor a mineral, but a fossil assembled from the remains of a marine life-coral.