Patients with irregular bowel movements should not take Sanhuang Tablets for a long time, and the instruction clearly states that this product should not be taken for a long time. Sanhuang tablets have the effect of clearing heat and detoxification, laxative and laxative, and are used for eye redness and swelling caused by triple jiao heat, sores in the mouth and nose, sore throat, swollen gums and pain, heartburn and thirst, and constipation of urine and yellow stool. The adverse reactions and contraindications of Sanhuang Tablet are not clear, this product should be taken during the avoidance of smoking, alcohol and spicy food; should not be taken at the same time tonic Chinese medicine; allergic to this product and allergic to people with caution; this product is not used for a long period of time; 3 days of non-relief should be taken to the hospital; high blood pressure, heart disease, diabetes, serious liver and kidney disease must be taken under the guidance of a doctor. Patients with loose stools should go to the hospital, do not take it on your own, so as not to produce adverse consequences or delay the condition.