Warfarin can take aspirin 3~6 days after stopping the drug; the specific drug program is recommended to consult the doctor in a timely manner, after the doctor combined with the comprehensive assessment of the condition of the decision. Warfarin belongs to anticoagulant drugs, mainly used in the treatment of thromboembolic diseases, but also as an adjuvant drug for myocardial infarction; aspirin belongs to the anti-platelet aggregation drugs, can play a role in inhibiting thrombosis; when used in combination with warfarin, it may increase the risk of bleeding; therefore, during the period of treatment with warfarin, it is not possible to take aspirin at the same time. Secondly, warfarin can be maintained in the body for about 3 to 6 days after taking it; therefore, you need to wait for about 3 to 6 days after stopping warfarin and wait for the drug to be completely metabolized out of the body before you can follow the doctor’s instructions to take aspirin for treatment, which can avoid causing bleeding symptoms. Generally, the above two drugs may cause nausea, vomiting, epigastric pain and other discomforts; for drug component allergy, active peptic ulcer bleeders are prohibited; in the process of using the drug need to monitor the liver and kidney function, and pregnant women and breastfeeding women and other special populations, need to be under the guidance of a doctor to use the drug. All of the above medications should be used under the guidance of a doctor, avoid self-medication, in order to avoid adverse consequences.