Sinus arrhythmia is a kind of sinus arrhythmia, due to the sinus node sends out the agitation significantly irregular, uneven, often with sinus bradycardia at the same time. Improvement, prevention of sinus arrhythmia methods mainly include the following points: 1, active prevention and treatment of sinus arrhythmia caused by the primary cause of disease, timely elimination of the primary cause of disease and causative factors; 2, always alert to the occurrence of pathological sinus node syndrome, and actively take further examination, in order to clarify the diagnosis; 3, daily life should pay attention to the life and emotional relief, so that the life of a regular basis, and at the same time to eat a healthy diet, appropriate exercise, and keep in a happy mood.