Star fern in the south of the Yangtze River is a kind of herb with high medicinal value. The ingredients contained in it can clear away heat and reduce swelling. It is suitable for eating in hot summer and can be used to soak in water to clear away heat. Usually, in daily life, all parts with falls can be smeared, which also has a certain effect. Attention should be paid to usage and dosage, and it is recommended to use it under the advice of a doctor. Unique shape, with high appreciation value.