Distributed vertically in the Yellow Sea, the East China Sea and the South China Sea in the high-tide zone, longbeetle is now cultivated artificially. Longsuke is scientifically known as Jiangqi, a famous wild vegetable, perennial vine-like aid plant.

Longbeet, also known as sea rockweed, golden algae, red cabbage, phoenix-tailed algae and so on. Native to Taiwan, Japan Okinawa Island and China's Jiaodong coastal waters, in addition to containing nutrients needed by the human body, but also rich in land vegetables do not have the natural polymer seaweed polysaccharide, phycobiliprotein, trace elements and other beneficial substances, has a high food and medicinal value. By food and nutrition experts as the emerging rare marine vegetables, human green health care boutique.

Longbeet can be used to make edible starch, but also can be used to refine this vegetable can be edible agar, this agar will be used in daily life, drinks, meat, edible porridge, as well as daily necessities in the shampoo, toothpaste, and women often use cosmetics and so on.