Sanhuang Tablet can treat constipation caused by Sanjiao Heat Sheng (heavier heat evil in chest and abdomen), and Niu Huang Xie Du Wei Tablet does not have the effect of treating constipation. However, there are many causes of constipation, its treatment should be under the guidance of a professional physician to identify and take medication. Sanhuang Tablet has the function of clearing heat and detoxification, diarrhea and laxative, and is used for the treatment of 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 yellow urine and constipation. Occasionally, there are adverse reactions such as nausea, vomiting and skin rash after taking Sanhuang Tablets; this product is contraindicated in pregnant women; it is prohibited in patients with hemolytic anemia and glucose-6-phosphate dehydrogenase deficiency. Niuhuang detoxification tablets have the effect of clearing heat and detoxification, used for the treatment of internal heat, sore throat, gum swelling and pain, mouth and tongue sores, eye redness and swelling and pain and other diseases. Diarrhea, vomiting, rash, dizziness, headache, drowsiness, allergic reaction, palpitation, dyspnea, hematuria, and other adverse reactions may be seen after taking Niu Huang Detoxification Tablets; prohibited for pregnant women, lactating mothers, infants and children, and those who are allergic to the product and the ingredients contained in it. After the discomfort should be promptly consult a doctor, under the guidance of the physician’s diagnosis and selection of medication, not self-medication, so as not to delay the condition.