Introduction to mangroves: It is one of the important symbols of tropical coasts. It can protect the shore from waves and is an ideal place for fish and shrimp to breed and inhabit. It has important economic value, medicinal value and ornamental value. The mangroves in Dongzhai Port grow well and the jungle is dense. The tide rises and falls on the coast twice a day, and there are two spring tides every month. When the tide rises, the trunks of the mangroves are submerged by the tide, leaving only the emerald green crowns rippling with the waves, making it a spectacular sight. The "Sea Forest" has water birds spreading its wings among them, and visitors can take a boat deep into the forest.