The full name of fever and xiyanping is fever injection and xiyanping injection respectively, they are different drugs, have different indications, thus the effect is also different. The main ingredients of Fever Toxin Ning Injection are Artemisia annua, Honeysuckle, Gardenia, which has the efficacy of clearing away heat, dispersing wind and detoxifying, and is used for the treatment of colds and coughs caused by external wind-heat, which are characterized by high fever, slight malignant wind-cold, headache and body ache, coughing, and yellow sputum; and upper respiratory tract infections, acute bronchitis, which are characterized by the above mentioned symptoms. There may be adverse reactions such as skin flushing or pallor, rash, itching, etc. after injection of Heat Toxin Ning Injection, it is forbidden for those who are allergic to this product or have a history of serious adverse reactions. It is prohibited for pregnant women, lactating women, and children under 2 years old. Xiyanping Injection is composed of Andrographolide Total Sulfonate, which is effective in clearing away heat and removing toxins, relieving cough and dysentery, and is used in the treatment of bronchitis, tonsillitis, and bacillary dysentery. Rash, pain, numbness and other adverse reactions may occur at the site of application. It is contraindicated in those who are allergic to the product or have a history of serious adverse reactions, and is contraindicated in pregnant women and children under 1 year of age. Pyrophylaxis injection and Xiyanping injection have different effects and functions, use should pay attention to the difference, it is recommended to use under the guidance of a doctor.