Premature heart beats after the New Crown vaccine should be observed at rest, and if they continue to worsen, medical attention is required. If premature heart beats occur after vaccination, it is generally considered to be related to the underlying disease of the vaccinee, i.e., a history of premature heart beats. At this time, rest and observation is the main focus, avoid strenuous exercise, exertion, adjust their own mind, usually can be relieved on their own. If it continues to worsen, it is necessary to consult a doctor in time, under the guidance of the doctor for treatment. Generally take medication or surgical treatment, drug treatment to anti-arrhythmia-based, including amiodarone, lidocaine, etc.; surgical treatment is based on radiofrequency ablation, the specific treatment and drug selection should be carried out in accordance with the doctor’s instructions, do not use their own drugs.