Generally, a course of 2-4 weeks of oral heart stabilizing granules is effective in treating arrhythmias, improving microcirculation and enhancing myocardial contractility. It is mainly used for the treatment of atrial and ventricular premature contractions. It is mainly used for the treatment of atrial precontraction and ventricular precontraction. Patients are treated for 2-4 weeks for a course of treatment, and most patients will have effect after about 1 month of treatment, and this drug can be taken for a long time. A small number of patients may experience mild dizziness and nausea while taking the drug, which do not require special treatment. In addition, if patients still have symptoms of panic and palpitations after taking heart stabilizer for 1 month, it is best to further identify the cause of the panic and palpitations and let the specialist decide whether other drugs should be combined for treatment. Also, patients should shake the medication well before taking it.