This smart door lock starts with the basic action of rotating the handle, removing useless space, leaving the most important part, and integrating functions. It cooperates with the transitional soft curve and exquisite details, and uses a variety of high-quality materials such as leather lines to break through the basic shape of traditional intelligent door locks and form a unique and unique style. This smart door lock integrates multiple advanced technologies such as finger vein recognition, face recognition, thermal imaging technology, fingerprint recognition, mechanical dual recognition and personalized recognition, making the recognition more efficient and smooth, and the operation process simpler and more natural. A good user interaction experience.