Objective To investigate regulatory effects of Danlongxingnaopian (DLXNP) on metabolism of arachidonic acid and its protection effects against cerebral thrombosis in rats. Methods The cerebral thrombosis model was performed by ligation of the branch of external jugular arteria and injecting the cothrombosis inducer 1 mL/kg into the internal carotid arteria. The Evens blue extravasation in brain were obserwed, the concentrations of TXB2 and 6 - Keto- PGF1α in plasma were detected by RIA. Results Compared with the normal group, Evens blue extr...