When using Shu Xuning, it should be noted that pregnant women and people with heart failure should be cautious, and newborns, infants and young children are prohibited. Because Shu Xuning contains a small amount of ethanol, people who are allergic to ethanol should also be cautious, Shu Xuning contains ginkgo biloba extract, ginkgo allergy is not recommended to use this drug. It is strictly prohibited to mix and match with other drugs, and it is prudent to combine the drugs, if it is necessary to combine the drugs, there should be a period of time between the two. In the process of using the drug, the reaction of the drug should be closely observed, especially in the first 30 minutes, if abnormalities are found, the drug should be immediately discontinued, and the drip rate should not be too fast or excessive. For the elderly, children, liver and kidney function abnormalities and other special groups, as well as the first-time use of patients should be used with caution, if the need to use, should reduce the amount or follow the doctor’s instructions to use the drug, and strengthen the monitoring, not long-term, continuous use of the drug.