Abidol Hydrochloride and Oseltamivir are not the same, the main differences include composition, scope of application, adverse reactions, contraindications and so on. 1. Composition: Abidol hydrochloride is mainly composed of Abidol hydrochloride, which belongs to a non-nucleoside antiviral drug; Oseltamivir is mainly composed of oseltamivir phosphate, which belongs to a neuraminidase inhibitor. 2. Scope of application: Abidol hydrochloride is suitable for upper respiratory tract infections caused by influenza A and B viruses, and can also be used for the prevention of influenza; Oseltamivir is mainly used for influenza, and can also be used for the inhibition of avian influenza A (H1N1) virus, to reduce the transmission of influenza A or B viruses. 3. Adverse reactions: Abidol hydrochloride adverse reactions mainly include nausea, vomiting, abdominal distension, abdominal pain, diarrhea, dizziness, fatigue and other symptoms; Oseltamivir adverse reactions mainly include nausea, vomiting, headache, drowsiness, impaired consciousness, behavioral abnormalities, epilepsy and so on. 4. Contraindications: Abidol Hydrochloride is contraindicated for those who are allergic to the components of the drug; Oseltamivir is contraindicated for those who are allergic to it. The selection and use of Abidol Hydrochloride and Oseltamivir must be carried out under the guidance of a doctor, do not blindly use the drug on your own to avoid harm to the body.