Yianning Pill does not cure coronary heart disease, it can relieve some of the symptoms of coronary heart disease, such as chest tightness and shortness of breath. Yianning Pill is a kind of proprietary Chinese medicine, which is composed of American ginseng, dendrobium, Cordyceps sinensis, turtle shell, antler velvet, schizandra, fructus schizandrae, tortoise plate, saffron, panax ginseng, ganoderma lucidum, snake gallbladder, Salvia divinorum, and seahorse, and it has the efficacy of tonifying qi and activating blood (tonifying qi and blood, so as to make the body’s qi and blood plump up, and blood veins unobstructed), benefiting the liver and strengthening the kidneys, and nourishing the heart and tranquillizing the spirit (stabilizing the spirit and mind by nourishing the heart). Yi An Ning Pill is used for the treatment of chest tightness and shortness of breath due to weakness of qi and blood, deficiency of liver and kidney (weakness of liver and kidney), coldness and coldness of limbs (fear of cold, cold limbs), numbness of hands and feet, insomnia and forgetfulness, fatigue and weakness of spirit (mental exhaustion, physical weakness), and lumbar and knee soreness and tenderness (a feeling of soreness and tenderness of the lumbar and knee areas). The adverse effects of the drug are not known, and it is contraindicated in pregnant women and children. Taking Yi An Ning Pills should be guided by a Chinese doctor to identify the symptoms and should not be used on its own.