The side effects and contraindications of Bamboo Roots are not clear, but its medicinal properties are slightly cold, so symptoms such as abdominal pain, diarrhea and gastric discomfort may occur if it is taken for a long period of time or if the medicine is not suitable for the patient. In addition, the single drug treatment effect is not good, it is recommended by a professional physician after the identification of the prescription group of drugs, and other drugs with a reasonable combination to improve the efficacy of the treatment. Bamboo Root is the dried middle layer of the stalks of the grass family, green culm bamboo, big canonical bamboo or light bamboo, sweet in taste, slightly cold in nature, belonging to the lung, stomach, heart and gallbladder meridians, with the effect of clearing away heat and resolving phlegm, removing vexation, and stopping vomiting. This product is often used in the treatment of phlegm-heat cough, bile fire with phlegm, palpitations and restlessness, heartburn and insomnia, stroke and phlegm disorientation, strong tongue, gastric fever and vomiting, pregnancy obstruction (in early pregnancy, there is heavy nausea and vomiting, dizziness and anorexia, or even vomiting when eating), fetal restlessness and other disorders. The adverse reactions and contraindications of this product are not clear. After the occurrence of discomfort should seek medical advice, under the guidance of physician’s diagnosis and selection of medication, do not self-medication, in order to avoid delays in the condition.