1. Avoid cold food. This product should be taken before meals. 3. Take it according to usage and dosage. The elderly and infirm, patients with hypertension and diabetes should take it under the guidance of a doctor. 4. If the symptoms do not improve after 2 weeks or during the medication, or the symptoms get worse, or new serious symptoms appear, you should stop taking the medicine immediately and go to the hospital for treatment. 5. It is forbidden for those who are allergic to this product, and should be used with caution for those who are allergic. 6. It is forbidden to use this product when its characteristics change. 7. Please keep this product out of the reach of children. 8. If you are using other drugs, please consult a doctor or pharmacist before using this product.