The invention discloses a traditional Chinese medicine composition for improving immunity, reducing blood fat and protecting the heart and brain. The traditional Chinese medicine composition is prepared from radix astragali, radix salviae miltiorrhizae, radix notoginseng, folium ginkgo, radix puerariae, emblic leafflower fruits and radix polygonati officinalis; through simultaneous action by adopting two ways, i.e., a four-way theory and Qi tonifying and blood stasis removing (strengthening immunity and reducing blood fat), the traditional Chinese medicine composition has a relatively good treatment and health-care action on cardiovascular and cerebrovascular diseases such as hyperlipidemia, low-density lipoproteincholesterol (HDL-C), cardiac muscle ischemia, cerebral ischemia, immunity hypofunction and other symptoms such as insomnia, asthenia, anorexia, stomachache and hypertension, the effect of supplementing good without evil is achieved, and the traditional Chinese medicine composition can be applied to the secondary prevention of the cardiovascular and cerebrovascular diseases.