1. Avoid eating cigarettes, alcohol, spicy and greasy food.2. Avoid using this product if you have hoarseness and sore throat at the beginning of the day, and you also have cold and fever, and your nose is running clear.3. If the hoarseness and sore throat is accompanied by other symptoms, such as palpitation, chest tightness, coughing and asthma, or blood in sputum, you should go to the hospital in time.4. Take the product according to the dosage, and children should be instructed by their physician.5. If there is no improvement of the symptoms or other symptoms like fever and gradual increase in fever within three days, you should go to the hospital. 6. General symptoms do not improve within three days of taking the drug or fever and other symptoms such as gradual increase should go to the hospital.6. Allergic to the product is prohibited, allergy with caution.7. Prohibit the use of the product when the properties of the product change.8. Children must be used under adult supervision.9. Keep the product in a place inaccessible to children.10. If you are using other medicines, consult a physician or pharmacist before using this product.