Schizonepeta tenuifolia is a perennial plant of Schizonepeta in Labiatae, with thick stems, woody base and many branches, about 40- 150 cm high, nearly four edges at the base, blunt four edges at the upper part, shallow furrows and white fur. Its leaves are yellowish green, its stems are square and purplish, its cross section is yellowish white, and its ears are slightly black, purple, yellow and green. Schizonepeta tenuifolia has a clear smell, rich aroma, mild taste, mild nature and no toxicity. Has the functions of resolving phlegm, expelling pathogenic wind and cooling blood, and can be used for treating common cold, headache, cold and heat, sweating and vomiting.

The above information is for reference only, and the specific identification of grass species needs to be judged by combining more characteristics and professional knowledge.