Myocardial ischemia caused by arrhythmia can take quick-acting heart-saving pills, sinus arrhythmia without myocardial ischemia do not need to take oral quick-acting heart-saving pills. The main effect is to move qi and relieve pain, and at the same time, it has the effect of activating blood circulation and removing blood stasis, which can increase the blood supply of coronary arteries. Patients with arrhythmia caused by myocardial ischemia can take oral treatment with SXRW to improve symptoms by increasing the blood supply to the coronary arteries. Some patients may be simple arrhythmia, such as sinus arrhythmia, and there is no symptom of ischemia, oral fast-acting rescue pills have no obvious effect, we should pay attention to find other causes of arrhythmia. Arrhythmia patients should go to the hospital, under the guidance of the physician to clarify the specific cause of the disease, according to the cause of the disease to give symptomatic treatment.