Herbs that clear heat and cool the blood to dispel wind and stop itching (stopping itching by removing the wind that invades the surface of the muscle) include comfrey, white fresh skin, cicada slough, etc. They should be used in accordance with the doctor’s instructions. 1. Comfrey: This product belongs to the heart meridian and liver meridian. It is effective in clearing heat and cooling the blood, transmitting rashes and eliminating spots, and activating blood circulation to detoxify the toxin. It is used for measles, blood-heat and toxicity, purple and black spots, eczema, sores, water and fire burns. This product is forbidden to be taken by people with weak stomach and intestines, and people with loose stools. 2. White Fresh Peel: This product belongs to the spleen meridian, stomach meridian, bladder meridian. It has the effect of dispelling wind and detoxicating, clearing heat and drying dampness. It is used for eczema, rubella, damp-heat sores, yellow water drenching, rheumatism-heat paralysis (often manifested as burning, pain, redness and swelling of joints and muscles, etc.), scabies, scabies and mange, jaundice and red urine. Cold syndrome is prohibited. 3. Cicada metamorphosis: this product belongs to the lung meridian, liver meridian. It is effective in dispersing wind-heat, transmitting rashes, inducing diaphoresis, relieving spasm, brightening eyes and reducing cataracts (improving eyesight and blurred vision). It is used in treating measles, wind-heat and cold, redness and cataract of the eyes, sore throat and mute voice, itching of rubella, tetanus, and convulsions (pediatric diseases mainly manifested by dizziness, convulsions and convulsions). Pregnant women should take with caution. There are many other herbs to clear heat and cool the blood, dispel wind and relieve itching, you need to have a doctor to identify and guide the use of medication, do not self-medication, so as not to cause damage to the organism.