The generic name of the drug Polivir is clopidogrel bisulfate tablets, and aspirin alone can be taken long-term for one year after stent placement. Both clopidogrel bisulfate tablets and aspirin are antiplatelet drugs, and antiplatelet therapy is needed after stenting to prevent further stenosis of the stent. Clinically recommended “dual antiplatelet therapy”, that is, the combined use of these two drugs for at least 12 months, if there is no obvious abnormality, then after 12 months to long-term use of aspirin alone can be. If aspirin has serious adverse effects, it can be changed to clopidogrel or tegretol as prescribed by the doctor. If the patient’s antiplatelet therapy is ineffective, the duration of dual-antiplatelet therapy should be appropriately prolonged. It is recommended to take medication under the guidance of a doctor and consult a physician before discontinuing medication, and not to discontinue medication on your own.