Objective: To observe the clinical efficacy of Yangying Tongbi decoction in treating the syndromes of deficiency of heart-qi and stagnant blockade of heart blood in patients with stable angina. Methods: Forty-four stable angina patients with deficiency of heart-qi and stagnant blockade of heart blood were randomly divided into control group( n = 22) and treatment group( n = 22). The control group received Western medicine treatment alone,while the treatment group was given Yangying Tongbi decoction in addition to the Western medicine trea...