Zhengxintai has a variety of dosage forms, such as Zhengxintai Granules, Zhengxintai Tablets, Zhengxintai Capsules, and here is an introduction to the proprietary medicine Zhengxintai Granules as an example. Zhengxintai Granules mainly has the effect of tonifying qi and blood (tonifying qi and blood to make the body full of qi and blood and blood flow smoothly), promoting circulation and benefiting the kidneys, and can be used in the treatment of coronary heart disease and angina pectoris manifested by qi deficiency and blood stasis or with kidney deficiency symptoms. Zhengxintai Granules mainly contains Astragalus, Pueraria Mirifica, mistletoe, Salviae Miltiorrhizae, Hawthorn, Rhizoma Ligustici Chuanxiong and other traditional Chinese medicines, with the effect of replenishing the qi and activating the blood and promoting the circulation of the veins and benefiting the kidneys, and is used for treating coronary heart disease, angina pectoris which manifests as deficiency of the qi and blood stasis, or concomitant renal deficiency, such as tightness in the chest, palpitation, dizziness and weakness of the waist and knees. The side effects of this drug are not clear, but pregnant women should be cautious to use this drug because of its blood-activating effect. This drug is a prescription drug, should be used under the guidance of a doctor and strictly comply with the doctor’s instructions, during the period of taking the drug should pay attention to the diet should be light, avoid eating spicy, cold, greasy food. If there is any discomfort after taking the medicine, you should go to the hospital in time.