Objective: To investigate the interaction of primary and secondary components of Yangxin Tongmai Formula. Methods: According to the L4 ( 23 )orthogonal design, the 5 primary components: Ginsenosides, Tanshinone IIA, Ginsen Polysaccharide, total alkaloid and total valotile oil and the 2 secondary components: compound polysaccharide and salvia miltiorrhiza phenanthrenequinone composed 4 recipes: ① recipe 1: basic factor plus compound polysaccharide and salvia miltiorrhiza phenanthrenequinone; ②recipe 2: basic factor; ③recipe3: basic ...