Shi Ming Urva came from the seaside and was born with a stone. The stem is two or three inches long, and the color is green and smooth, which is very bright. There are buds between stems, and flowers grow in the buds. Ulva is shaped like a bean, and its leaves are bigger than copper coins, like arrowhead leaves.

Sweet, flat and non-toxic.

Efficacy: it is mainly used to enter water and facilitate urination; There is no cure for the wind. The five diaphragmatic qi and the stagnation of the lower abdomen can make soup to drink. So people use it to treat malnutrition.