Normal values for heart rate variability analysis are 102-180ms. Clinically, the normal range of HRV analysis is 102~180ms. Anything outside this range is considered abnormal and can indicate problems such as sympathetic and vagal balance disorders. Heart rate variability analysis refers to the variation of heartbeat cycle by cycle, which can reflect the balance between sympathetic and vagal regulation, and can also predict sudden cardiac death and arrhythmic events, which is an important test for the prevention of cardiovascular events in the clinic. It is an important clinical test for the prevention of cardiovascular events. Therefore, it is important to seek professional help when abnormal results occur. To summarize, the normal value of heart rate variability analysis is 102~180ms, if there is any abnormality, please consult a doctor in time.