Comfrey’s effect on the skin: it can relieve spot rash, measles, sores, eczema, water and fire burns and other diseases. Comfrey is cold in nature, belonging to the heart, liver meridian, good at activating blood detoxification, cooling blood and clearing heat, penetrating rashes and eliminating spots, blood-heat toxicity, the surface of the skin may grow purple and black spots and rashes, you can match comfrey and licorice, red peony, cicadas and other traditional Chinese medicines to alleviate the condition. For those with eczema on the skin, comfrey can also be combined with herbs such as cypress and yellow dock to improve eczema symptoms. In addition to soaking comfrey in vegetable oil and then applying the oil to the affected area, or making ointment with rhubarb, dandelion, cypress and other traditional Chinese medicines, and applying it externally to the affected area can also improve the water and fire burns. For those who have carbuncle sores on the skin, you can also combine comfrey with forsythia, honeysuckle and other herbs. Comfrey is cold and should be used with caution for those with weak stomachs and intestines and those with diarrhea. Comfrey is a Chinese medicine, improper use of the skin is not beneficial, if you need to use the drug, must be guided by a doctor.