If the cerebrovascular disease is identified as cerebral blood stasis, Blood Extract can be used for treatment, because the drug has the effect of activating blood circulation and removing blood stasis. Blood exhaust belongs to the group of Chinese medicines for activating blood circulation and removing blood stasis, and it is mainly made from the resin exuded from the fruit of Kirin Exhaustion of the Palm family, which is processed in the clinic for medicinal use. Because it can activate blood circulation to relieve pain and eliminate blood stasis and stop bleeding, it is mainly used to treat headaches caused by blood stasis and obstruction of blood circulation, tingling, which is mainly aggravated at night, dizziness, dark purple tongue, and fine and astringent pulse, etc. In the case of brain and collateral blockage, it is mainly used to treat the headaches caused by blood stasis and obstruction of blood circulation. The drug can also be used to treat if there is evidence of stasis blocking the cerebral collaterals. In addition, blood exhaust can also produce muscle and astringent sores, and can also treat sores and ulcers that do not astringent for a long time. However, the drug should be used with caution in pregnant women. It should not be taken during menstruation. Specific use of the drug should consult a doctor.