Clinically, there are some common blood generating capsules such as Yi Zhong Sheng Blood Capsules, Zai Zao Sheng Blood Capsules and Qi Gui Sheng Blood Capsules, which have some differences in the treatment of diseases. Here we mainly discuss Yi Zhong Sheng Blood Capsule, which is mainly used for the treatment of spleen and stomach weakness, qi and blood deficiency caused by the disease. The capsule consists of Codonopsis, Chinese yam, Semen Coix lacryma, Pericarpium Citri Reticulatae, Fructus Jujubae, Semen Xanthospermum, Glycyrrhiza Uralensis, etc. It has the effect of strengthening the spleen and the stomach (restoring the function of the spleen and stomach), benefiting the qi and generating blood, and is used to treat symptoms such as yellowing and thinning of the face, dizziness, loss of appetite, bloating after eating, palpitations (accelerated heartbeat, often accompanied by heart palpitation), shortness of breath, and insomnia and forgetfulness caused by weakness in spleen and stomach and deficiency in qi and blood. Adverse reactions of taking Yizhong Shengxue Capsules include nausea, burning sensation in the stomach, increased frequency of bowel movements, dry mouth, abdominal pain, and bowel sounds. It is prohibited for patients who are allergic to this product, and forbidden to combine with tea and drugs containing tannin. Patients should take Yi Zhong Sheng Blood Capsules under the guidance of a physician’s interview to identify the evidence, do not self-medicate to avoid adverse results.