Aspirin is usually not taken intermittently. Aspirin belongs to the non-steroidal anti-inflammatory drugs, which have the effect of antipyretic and analgesic, anti-platelet aggregation, pain relief, and inhibition of thrombosis. It is mainly used to reduce the incidence of myocardial infarction, temporary cerebral ischemia and stroke in patients with atherosclerosis. Note that the drug needs to be taken regularly for a long time in accordance with the doctor’s instructions, and should not be stopped. Usually, after the drug is used, it can reach the peak concentration of the drug in about 2 hours, so as to exert the effect of the drug. Usually, the initial use of the drug can only maintain the minimum concentration of the drug in the body for a few hours, while the long-term regular use of the drug can maintain the minimum concentration of the drug for about 20 hours, and the therapeutic effect will be more effective. Therefore, the drug should not be taken intermittently. If the drug is taken intermittently, it may induce acute myocardial infarction, acute cerebral infarction and other diseases, posing a threat to life safety. Secondly, the drug may cause nausea, vomiting and other discomforts after taking it, while those who are allergic to the drug are forbidden to use it, coagulation function needs to be monitored during the process of using the drug, and pregnant women, children and other special groups need to use the drug under the guidance of a doctor. The above medication continues to be used under the guidance of a doctor, avoid self-medication to avoid adverse consequences.