Is it useful to take Yi 'an Ning Pill for coronary heart disease?

Yi 'anning Pill is a patented drug for treating coronary heart disease, and the overall effect is good. The main components of Yi 'anning Pill are American ginseng, Dendrobium, Cordyceps sinensis, snake gall, salvia miltiorrhiza and so on. Which are used to treat deficiency of qi and blood? Chest tightness, shortness of breath, chills, numbness of hands and feet caused by liver and kidney deficiency also have a certain effect on insomnia, forgetfulness, fatigue and weakness of waist and knees.