Yi 'anning Pill is a Chinese patent medicine preparation, the main components are American ginseng and Cordyceps sinensis, and its functions are generally to invigorate qi and promote blood circulation, nourish the heart and soothe the nerves, and nourish the liver and kidney. It is mainly used for treating blood gas weakness, chest tightness and shortness of breath, numbness of hands and feet, chills and cold limbs caused by liver and kidney deficiency, and has a certain curative effect on insomnia, forgetfulness, mental fatigue and acid difficulty.

However, this medicine can be taken by adults, but children and pregnant women should be banned, because some of its components may affect the further development of patients and the development of pregnant women's fetuses.

In addition, for Chinese patent medicines, it is not recommended that patients continue to take them for more than one month. If you want to continue taking it later, it is suggested that the patient stop taking 1-2 weeks after taking it for one month, and then consider taking it further. Because long-term use of Chinese patent medicine will burden the liver and kidney, long-term use may cause liver failure and renal failure.