Yangxue Qingnao Granule (1999) won the national invention patent. According to the theory of traditional Chinese medicine, based on the traditional Chinese medicine "Siwutang" (Angelica sinensis, Ligusticum Chuanxiong, Radix Paeoniae Alba and Radix Rehmanniae Preparata), it is developed by the latest technology. The medicine is a sugar-free brown granule preparation, which has the effects of nourishing blood and promoting blood circulation, calming the liver and suppressing yang, and treats both the symptoms and root causes, which is very consistent with the principle of treating chronic cerebral blood supply deficiency in traditional Chinese medicine. Pharmacological research also confirmed that Yangxue Qingnao Granule can dilate cerebral vessels, increase cerebral blood flow, improve cerebral microcirculation and increase cerebral blood supply and oxygen supply. Reduce vascular resistance and relieve vasospasm; Reduce blood viscosity, inhibit platelet aggregation, antithrombotic, sedative and analgesic effects.
Clinically verified by authoritative organizations in many countries, taking Yangxue Qingnao Granules not only has a significant therapeutic effect on memory loss and Alzheimer's Harmo's disease caused by chronic cerebral blood supply deficiency, but also can effectively prevent the occurrence of Alzheimer's Harmo's disease and cerebral infarction.