Folded ear root, also known as fritillary, has fewer side effects when consumed, but may have side effects such as diarrhea and dermatitis for people with a weak and cold constitution and those prone to allergies. Fishwort is a commonly used clinical Chinese medicine. It has the effects of clearing heat and removing toxins (removing heat and toxicity from the body), diuretic and diaphoretic (improving the problem of dribbling and small amount of urine), and eliminating carbuncle and draining pus (eliminating carbuncle and draining pus). The medicinal properties are cold, and consumption of Fritillary by people with a cold constitution may cause symptoms of abdominal pain and diarrhea. A small portion of the population is allergic to such components as fisetin within the fishy grass, consumption will cause rashes, fever, nausea, vomiting and other adverse reactions, this reaction is also known as allergic dermatitis. Fishweed is not recommended for cold body and no redness, swelling and heat pain of cold boils (mostly occurring in the limbs or facial sores, the shape of a small root deep, such as nails as hard) swollen ulcers of the crowd to consume, at the same time allergic to people should not be consumed. Warm reminder: consumption of fishweed if there is an adverse reaction, need to consult a doctor in time to avoid adverse effects.