There are chances of recovering from third-degree AV block, and the likelihood of recovery is mainly related to the patient’s primary condition. Third-degree AV block refers to a serious abnormality in the electrical conduction of excitation from the atria to the ventricles, in which the electrical excitation from the atria cannot be transmitted to the ventricles normally, resulting in a serious decrease in the ventricular rate. It can be caused by a variety of reasons, for example, viral cardiomyopathy, adverse drug reactions, etc., and in some cases, it is a congenital factor. Whether the patient can recover or not is mainly determined by the primary disease. For example, if the patient with viral myocarditis can be treated with antiviral and myocardial nutrients in a timely manner, the disease can be effectively controlled and alleviated, and the patient can be completely cured, and the complications caused by the viral infection, such as third-degree atrioventricular (AV) block, can be completely recovered. Some drugs can cause third-degree AV block and other adverse reactions, such as digoxin and other digitalis drugs caused by toxic reactions, if the timely discontinuation of drugs and treatment, usually can be fully recovered. However, in congenital third-degree AV block, recovery is often difficult and permanent pacemaker implantation is usually required. If an abnormal ECG is detected, it is recommended to consult a doctor as soon as possible to avoid delay.