Yi An Ning Pills can be taken for a long time under the guidance of professional physicians for the treatment of chest tightness and shortness of breath, panic, fear of cold hands and feet due to weakness of qi and blood, deficiency of yin in the liver and kidney (deficiency of yin in the liver and kidney), and other conditions. Yi An Ning Pill belongs to the category of proprietary Chinese medicines, which has the effects of nourishing qi and blood, tonifying the liver and kidney, nourishing the yin of the heart and tranquilizing the mind. It is used for the treatment of chest tightness and panic, shortness of breath, fear of cold and obvious, cold hands and feet, tingling hands and feet caused by weakness of qi and blood, deficiency of yin of liver and kidney (deficiency of yin of liver and kidney) and internal disturbance of deficiency heat. Yianning Pills precautions are prohibited for children, pregnant women, and should not be taken by patients with colds and fever. Contraindications are avoiding spicy, raw and cold food. Adverse reactions are not clear. If you need to use the drug, it is recommended to use under the guidance of a Chinese medicine practitioner to identify the evidence, unauthorized use of drugs may cause serious consequences.