In clinical application, it is mainly used for circulatory disorders of brain and peripheral blood flow system. For example, it can be used for acute and chronic brain dysfunction and sequelae caused by acute and chronic stroke, such as inattention, attention loss and dementia. In addition to cerebrovascular diseases, it can also be used for ear blood flow and neurological disorders, such as tinnitus, vertigo and hearing loss. In addition, it also improves the blood flow of the eye.