Yianning is a kind of medicine, its main functions are to tonify the qi and blood, benefit the liver and kidney, nourish the heart and tranquilize the mind, treating chest tightness and shortness of breath, cold in the extremities, numbness in the hands and feet caused by the deficiency of qi and blood, liver and kidney, and also has a certain effect on insomnia and forgetfulness, fatigue and weakness of the waist and knees. The dosage is 12-18 capsules to be taken orally 1-2 times daily. Caution: Avoid spicy, cold, greasy food, not suitable for patients with cold and fever, patients with chronic diseases such as hypertension, heart disease, liver disease, diabetes, kidney disease should be taken under the guidance of a physician. Patients with chronic diseases such as hypertension, heart disease, liver disease, diabetes and kidney disease should take the medicine under the guidance of a physician. It is prohibited for those who are allergic to this drug, and it is prohibited when the properties of this drug are changed.