Yixinsheng capsule contains some drugs that nourish qi and blood, such as Colla Corii Asini, Tortoise Gum, Deer Antler Gum, Deer Blood, Zihe Che, Radix Codonopsis, Astragalus, etc. This medicine mainly plays the role of strengthening the spleen and tonifying the kidney, raising blood and filling essence. It is used to treat symptoms caused by deficiency of both spleen and kidney and deficiency of essence and blood, such as lack of color, dizziness and shortness of breath, as well as tiredness and weakness of the body, soreness of the waist and knees, and can also be used to treat patients with ischemic anemia. However, it should be noted that patients with external sensation or weakness should avoid taking it, and patients with weak spleen and stomach, vomiting and diarrhea, bloating and loose stools, or coughing and phlegm should be used with caution. It is best to take this drug before meals and avoid oily foods during the medication period.