To meet the demand of tremor patients for safe, convenient and personalized treatment, this wearable smart wristband utilizes a non-invasive transcutaneous electrical nerve stimulation therapy, which can effectively reduce hand tremors by precisely targeting wrist nerves, delivering a drug-free, non-invasive, and accessible daily treatment method. Meanwhile, the watch-shaped product, lightweight and portable, is convenient for patients to wear and use anytime and anywhere, while also supporting adaptive work, ensuring both of wearing comfort and effectiveness for a long time.