Buyang Huanwu Decoction (BHD) is a famous prescription for treating cerebral ischemia stroke with qi deficiency and blood stasis syndrome. More than 500 pieces of papers were reported about this prescription each year, including the medicinal resources, material bases, pharmaceutical, pharmacological effects, clinical application, preparation reform and so on, which showed the prescription research was broad and profound. Due to the complex constituents of this prescription, currently the network pharmacologic topologic method is difficult to i...