Feeling a sudden stop of heartbeat may be caused by arrhythmia, it is recommended to go to the hospital as soon as possible to do the relevant examination, followed by symptomatic treatment. Under normal conditions, the heart is constantly circulating and supplying blood, and the beating is relatively regular. If the patient feels that the heart suddenly stops beating, you can first go to the hospital to do an electrocardiogram to observe whether there is an arrhythmia problem, if it is a sinus arrhythmia, generally do not do special treatment. If the arrhythmia appears in ECG, it is necessary to do cardiac ultrasound, cardiac enzymes and other further examinations to determine whether organic lesions occur, and according to the diagnosis to do the corresponding treatment. If you feel uncomfortable, you should seek medical treatment as soon as possible to avoid delaying your condition. Maintain good daily habits, do not stay up late, do not smoke, do not drink, together with appropriate outdoor exercise.