Wu Zhu Tang is effective in warming the middle Jiao, tonifying the deficiency, lowering the rebelliousness and stopping vomiting (stopping the upward flow of stomach qi and stopping vomiting). Wu Zhu Tang is composed of Wu Zhu, ginger, ginseng and jujube. It is mainly used to treat nausea, acid reflux, abdominal pain, headache, cold limbs, loose stools, irritability after eating caused by deficiency and coldness of the liver and stomach, and upward reversal of turbid yin. In modern times, it is mainly used in the treatment of chronic gastritis, neurotic vomiting, neurotic headache, vertigo, vomiting in pregnancy, and so on, whose diagnosis belongs to the evidence of deficiency and cold of the liver and stomach. Precautions: This formula is contraindicated in vomiting caused by stomach heat and internal heat of yin deficiency, as the etiology and mechanism of the two diseases are completely opposite, and the treatment rules are different, which may aggravate the symptoms; this formula is not suitable for headache caused by hyperactivity of liver yang (excessive liver yang, which causes dizziness, vertigo, headache, etc.); this formula is not suitable for those who are allergic to the ingredients of the drug.