It is recommended to take cold food or medicine by mouth. For the case that the organism is infested with fire evil, the fastest treatment should be to clear heat and remove fire, you can choose foods and medicines with this kind of effect, for food, the nature of cold are suitable, just avoid allergic foods, such as strawberries, grapes, oranges, grapefruit, pears, crabs, etc. There are many kinds of medicines to clear heat and dispel fire, such as gypsum, cold water stone, smallpox powder, light bamboo leaf, lotus heart, summer cress, gardenia, etc. All of them have the effect of clearing heat and dispelling fire. You can choose the above medicines as tea or decoction, and you can also choose the Chinese medicine composed of the above medicines, such as Jin Yin Hua granules, San Huang tablets, Huang Lian Shang Qing Wan, etc. If there is a skin rash such as boils and swellings due to the incandescence of fire, you can choose Zingiber officinale, wild chrysanthemum and mannitol to wash the skin externally, which can also clear heat and relieve swelling and pain.