Ligustrazine Hydrochloride, its main function is to inhibit platelet aggregation and prevent thrombosis. At the same time, it can resist vascular damage caused by serotonin and bradykinin, increase capillary resistance, reduce capillary permeability, and prevent edema caused by increased vascular permeability. Clinically, it is mainly used for occlusive syndrome, thrombophlebitis, capillary bleeding, etc. The market demand for this product is large.