What is a cicada?

Cicada is a Hemiptera cicada. Cicada is an organism of Arthropoda, Insecta, Hemiptera and Cicadellidae. At present, there are about 3000 known species. We have the illusion that cicadas are short-lived because of their unique life cycle. Although adult cicadas can only survive for a few months, they can survive in the soil for many years in the larval stage. For example, the larval stage of a 6-year-old cicada accounts for 5 years of its life. Cicada larvae live in the soil and have a pair of powerful digging front legs. Sucking the sap from the roots of plants with mouthparts weakens the tree, makes the branches die and affects the growth of trees.

Cicada, whose skin is called cicada slough, is rich in chitin, isoflavone pterin, pterin and adenosine triphosphatase, and is often used to treat cough caused by exogenous wind and heat and hoarseness. Sore throat. Rubella itching, conjunctival congestion, tetanus, convulsion epilepsy, night crying, etc. According to China Pharmacology, it also helps to strengthen yang, relieve cough and promote fluid production, protect lung and kidney, resist bacteria and reduce blood pressure, treat alopecia and inhibit diseases. When the mature nymph of cicada becomes an adult, the shell under cicada slough is called cicada slough, also called cicada slough or cicada skin. Its main components contain chitin and protein, which are sweet, salty and cold, and enter the lung and liver meridians. This product is an important traditional Chinese medicine for pungent and cold relieving exterior syndrome. Cicada is rich in nutrition, with protein content of more than 70% on a dry basis, fat of about 7%, vitamins and various beneficial trace elements higher than ordinary meat food, and it can be called the king of protein in today's food.