Cardiac Rhythm Tablets are not recommended for long-term use, and there is a risk of adverse effects with long-term use. Cardiac Arrhythmia Tablet is a proprietary Chinese medicine, which is a microbial base tablet extracted from bitter ginseng. Its function is anti-arrhythmic, which can treat arrhythmias caused by various reasons, especially for patients with ventricular premature beats; it can relieve palpitations (accelerated heartbeat, often accompanied by panic), shortness of breath, chest tightness, and insomnia, etc., which are caused by emotional fluctuations or after overexertion. Long-term use may cause dry mouth and gastrointestinal discomfort, so long-term use is not recommended. Because Cardiac Rhythm is a proprietary Chinese medicine, it needs to be prescribed according to the patient’s physical condition after identification and treatment by a traditional Chinese medicine practitioner, and it cannot be taken if the patient has spleen and stomach deficiency and cold (spleen and stomach weakness and coldness). Children as well as elderly and frail patients should take it under the guidance of a doctor. During the period of taking the medicine, cold, spicy and stimulating food should not be eaten, and alcohol consumption should be prohibited to avoid aggravation of the condition due to alcohol consumption. Arrhythmia patients, it is recommended to follow the doctor’s instructions to take medication, in the period of taking medication, if there are symptoms of discomfort, to consult a doctor in a timely manner.