1, efficacy: clearing heat and cooling blood, generating fluids and moisturizing dryness, detoxification and pain relief. It is suitable for acute febrile diseases, high fever and dizziness, fluid injury and thirst, labor heat and cough, vomiting blood and blood in the stool, labor heat and cough.

2, contraindications: stomach deficiency, less food people should be cautious of serving raw dihuang; spleen deficiency and dampness people avoid serving raw dihuang; Yang deficiency people avoid serving raw dihuang; do not use copper and iron frying raw dihuang; raw dihuang avoid radish, leek white, scallion white, scallion white.