Leek root has the effect of warming the middle, moving qi, dispersing blood stasis, detoxification, commonly used in the treatment of abdominal pain in the cold, food accumulation (food indigestion and stagnation in the stomach) abdominal distension, chest paralysis (chest pain, or even chest pain through the back, wheezing and can not lie down), pain, red and white leucorrhoea (leucorrhoea abnormalities, mixed with blood or blood clots) and so on. Leek root for the lily plant leek root. It is pungent in flavor and warm in nature. It belongs to the spleen and stomach meridians, and has the effects of warming the middle, promoting circulation of qi, dispersing blood stasis and detoxifying. It is often used in the treatment of abdominal pain with coldness in the abdomen, abdominal distension due to food accumulation, chest paralysis and pain, dysuria, epistaxis, vomiting of blood, lacrimal sores, bruises and injuries. The adverse reactions and contraindications of leek root are not clear. Caution should be exercised in cases of Yin deficiency and internal heat. If there is a need for medication, it is recommended to use it under the guidance of a professional physician, not blindly self-medication.