Premature contractions that is, premature contractions, supraventricular premature contractions can be divided into atrial premature contractions, premature contractions of the atrioventricular junction, with atrial premature contractions are common, the choice of drugs such as propranolol. 1. Atrial pre-systole: Usually no treatment is needed, when obvious symptoms appear, you can choose appropriate drugs, such as: you can choose sedative drugs such as diazepam, β-receptor antagonists such as propranolol, or nondihydropyridine calcium channel ion blockers such as verapamil, but also can choose pranolol, amiodarone, and so on. 2. Atrioventricular junctional preterm contraction: clinically rare, can occur in normal people or organic lesions of the heart, usually without treatment. The first thing you should do when you find premature contractions is to adjust your lifestyle, such as quitting smoking and limiting alcohol, and reducing the amount of coffee you drink. The choice of medication should be made in a timely manner by going to the hospital and choosing the right medication under the guidance of a professional doctor.