Like many other riverside fishing villages, the image of Cai Beo fishing village is rustic and simple, but few people know that Cai Beo (Cat Ba, Hai Phong) is the oldest fishing village in Vietnam with an older age. up to 7,000 years. These evidences show that Cai Beo was the residence of ancient fishermen. This is an ancient fishing village with the largest scale currently known in Vietnam. The analysis also shows that, about 7,000 years ago, Cai Beo people lived mainly by fishing in the sea and catching shellfish and oysters.