The maximum number of days to take Sanhuang Tablet needs to be decided according to the patient’s condition and physique, which needs to be assessed by a professional doctor, there is no clear maximum number of days to take, so it is recommended to take the medicine according to the doctor’s prescription. Sanhuang Tablet is composed of rhubarb, berberine hydrochloride and scutellaria baicalensis extract, which has the efficacy of clearing heat and removing toxins (removing heat and toxins from the body), laxative and laxative, and can be used in the treatment of eye redness and swelling pain, mouth and nose sores, sore throat, swollen and painful gums, heartburn and thirst, and constipation with yellowish urine and stools, etc., which are caused by the heat in triple jiao (the heaviness of heat and evil spirits in the chest and abdomen). The adverse reactions of Sanhuang Tablet are occasional nausea, vomiting, skin rash and medicinal fever after taking the drug, which can disappear after stopping the drug. The contraindications of the drug are contraindicated in pregnant women, hemolytic anemia patients and glucose-6-phosphate dehydrogenase deficiency patients. The drug should be avoided during the period of smoking, alcohol and spicy food, and should not be taken at the same time tonic Chinese medicine. The drug is recommended to be taken under the guidance of a professional physician to identify the evidence, not to be used on their own.