There is no capsule of Shuxu Xuning, the preparation is Shuxu Xuning injection, and its medication instructions show that it can not be overdosed and long-term continuous use of the drug. The main ingredient of Shu Xuning Injection is Ginkgo biloba extract, which has the effect of dilating blood vessels and improving microcirculation, and is mainly used for the treatment of ischemic cardiovascular and cerebrovascular diseases, angina pectoris, coronary heart disease, cerebral embolism and other diseases. Its medication precautions show that the dosage should be strictly controlled during the use of medication, and cannot be overdosed and used continuously for a long period of time, so Shu Xuning Injection cannot be used for a long period of time. Shu Xuning Injection should be used under the guidance of a doctor, during the use of the drug may appear loss of appetite, dizziness, chest tightness, rash, high fever, chills and other adverse reactions, should consult a doctor in time. People who are allergic to this drug should be prohibited from using it.