It is well known that cardiac arrest means the end of life. In recent years, many celebrities and people around them have died suddenly, and cardiovascular doctors believe that it is a problem of the heart, or attribute it to factors such as stressful life and sympathetic storms, but in clinical work, it is found that diabetes is an important factor, because diabetes can cause neuropathy, then the beating of the heart is precisely due to the P-cells of the sinus node of the heart that produce Action potentials are formed, if diabetic patients do not pay attention to the neurological complications, then the rhythm of the heart beat will be impaired, therefore diabetic patients must pay attention to the cardiac nervous system! Avoid sudden death caused by diabetes!