Earth rhubarb has the efficacy of clearing heat and removing toxins (removing heat and poisonous evils from the body), cooling and stopping bleeding (cooling and moisturizing the blood, preventing bleeding), removing blood stasis and swelling, laxative, and killing worms. Vinegar is a common condiment and does not have therapeutic properties. 1. Tu Da Huang is the root of Polygonum multiflorum. It is pungent, bitter and cool in nature, and belongs to the lung, spleen and large intestine meridians. It has the efficacy of clearing heat and removing toxins, cooling blood, stopping bleeding, removing blood stasis and swelling, laxative and insecticidal. The drug is mainly used in the treatment of consumption and hemoptysis, lung pain, vomiting blood, stagnation and abdominal pain, bruises, constipation, mumps, carbuncle sores and poisons, burns, scabies and other conditions. The adverse reactions and contraindications of the drug are not clear, but it is not recommended for patients with deficiency of spleen and stomach (spleen and stomach weakness and cold). 2. Vinegar is a common edible condiment used in daily life and does not have therapeutic efficacy. If necessary, it is recommended to visit a regular hospital and use it under the guidance of a professional physician for evidence-based treatment.