The efficacy of Yansunin (refers to Injectable Yansunin) mainly includes inactivation of a variety of viruses, and has a certain therapeutic effect on pneumonia and upper respiratory tract infections caused by viruses. The main component of Injectable Yansunin is Yansunin, which has the effect of inactivating many viruses such as influenza virus, adenovirus, respiratory virus, etc. It is suitable for the treatment of viral pneumonia and viral upper respiratory tract infections. The drug is prohibited for use in people who are allergic to the product and pregnant women. Allergic reactions such as skin rash or pyrogen-like reactions may occur after use of the drug; itching, abdominal pain, diarrhea, nausea, vomiting, leukopenia, thrombocytopenia, chills, fever, dizziness and other adverse reactions may also occur, if fever, shortness of breath should be discontinued in a timely manner, and appropriate first aid measures should be taken in the event of anaphylactic shock reactions. Specific medication should be under the guidance of a specialist, not unauthorized use of drugs.