According to Chinese medicine, leeks are warm, so consumption may show signs of fire. The term “on fire” is a folk saying. The clinical manifestations of “on fire” can be light or heavy, and usually said “on fire” is generally light, mostly belongs to the mild symptoms of TCM heat, may not be accompanied by systemic heat symptoms such as red and swollen eyes, corners of the mouth, yellow urine, toothache, sore throat and so on. Chinese medicine nutritional point of view, often eat spicy and stimulating, warm and hot food is easy to fire. Leek flavor pungent, warm, consumption may appear on the fire performance. Leek belongs to the kidney, stomach, liver and lung meridians. It has the effects of tonifying the kidney, warming the middle, moving qi, dispersing blood stasis and detoxifying. It is mostly used to improve spleen and kidney yang deficiency, chest paralysis (chest tightness and pain), carbuncle sores and poisons. Attention to folk leeks as “hair”, where the stomach, duodenal ulcers, gastritis, fever and canker sores eat leeks with caution. It is recommended to drink more water, eat less spicy food to avoid fire. Also avoid emotional fluctuations, moderate daily exercise, rest and sleep.