Drugs for clearing away fire include: Shangqing tablet, Qinghuo tablet and Niuhuang Jiedu pill. Niuhuang Jiedu pill has the effects of clearing away fire, reducing fire, detoxifying, relaxing bowels, diminishing inflammation, etc. It is suggested that clearing away fire can be dietotherapy. Generally, besides eating bitter food, you should eat more sweet and refreshing fresh fruits and fresh vegetables, such as cabbage, cauliflower, watermelon, hawthorn, apple and grape, which are rich in minerals, especially calcium and magnesium. Eating bananas is the best way for fire. Chinese medicine believes that bananas are sweet, cold, slightly astringent and non-toxic, and have the functions of clearing heat and quenching thirst, clearing stomach and cooling blood, moistening intestines and relaxing bowels, lowering blood pressure and diuresis. It is especially good for thirsty, constipation and other people with yin deficiency and intestinal dryness or blood heat and qi stagnation. If people with spleen and stomach deficiency and yang deficiency eat bananas, it will be counterproductive, but it will make the virtual fire more prosperous. Watermelon is a pet with fire. It is known as "eat two pieces of melon, and you don't need to take medicine". It has a great effect on relieving anxiety and thirst, nourishing the heart and calming the nerves, but it is not suitable for people with spleen and stomach deficiency, cold accumulation and cold pain, and loose stool's urine.