Chenopodium ambrosioides L., alias Hongze Blue, Xiancao, Stingrass, Hookworm grass, Licorice grass, etc., belongs to Chenopodium ambrosioides L. of Chenopodium Chenopodium of Chenopodium of Chenopodiaceae, and is used as a medicine. This species is a poisonous plant included in China Botanical Atlas Database, and its toxicity is that the volatile oil is poisonous. Its content is the most in fruits, so its toxicity is stronger, followed by leaves and stems. Regular dosage10-30, Chenopodium ambrosioides has the functions of expelling wind and removing dampness, killing insects and relieving itching, and can be used for treating ascariasis, hookworm disease and pinworm disease, treating eczema and itching of skin externally, and killing maggots.