Heart Stabilizing Granules can reduce heart rate to a certain extent, the exact degree of reduction varies from person to person. Heart Stabilizing Granules can benefit qi and nourish yin (tonifying qi and yin fluid), activate blood circulation and eliminate blood stasis (promoting blood circulation and eliminating blood stasis in the body), and its medicinal ingredients mainly include Codonopsis Pilosulae, Succinum Vulgare, Glycyrrhiza Uralensis, Rhizoma Polygonatum, and Panax Ginseng. It is suitable for patients who have been diagnosed by Chinese medicine practitioners as having stasis in the heart veins (the heart veins are blocked by blood stasis), deficiency of both qi and yin (deficiency of both qi and yin), which may be manifested as tightness in the chest and chest pain, palpitations (rapid heartbeat, often accompanied by panic attacks), restlessness, and shortness of breath and fatigue, or may be used in patients with ventricular or atrial premature contractions who have the symptoms mentioned above. Adverse reactions such as vomiting, bloating, abdominal pain, diarrhea, dizziness, nausea, abdominal discomfort, chest tightness, rash, itching, headache, etc. may occur after use. Contraindications include hypersensitivity to the product, bradyarrhythmia, and avoid concomitant use with veratrum, and caution includes pregnant women. Intake of strong tea, tobacco and alcohol is contraindicated during treatment. Specific use of the drug should be guided by a specialist, not unauthorized use of drugs.